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Inventor: Hiroshi Fujii


Address: Tokyo, JP
No. of patents: 56
Last patent issue date: 07/19/2011

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NumberTitleIssue Date
7983832Control method of direct injection engine, controller for implementing the control method, and control circuit device used for the controller
An object of the present invention is to provide a fuel injection control technique which maximizes engine power according to fuel evaporation characteristics. The fuel injection timing in the intake stroke is delayed according as a physical quantity affecting the f...
07/19/2011
7927029Imaging apparatus and open/close device
An imaging apparatus include a lens, a first blade slidable between a covering position where the first blade covers the front side of the lens and a retract position where the first blade retracts from the front side of the lens, and a second blade pivotally suppor...
04/19/2011
7770556Multi-hole injector, in-cylinder gasoline injection type internal combustion engine and control method for the engine
Improvement of combustion stability in retard ignition at the time of starting in a cold state, high output in a full throttle condition, reduction of smoke, and prevention of wear of the cylinder liner caused by oil dilution, are to be attained. In connection with ...
08/10/2010
7543560Cylinder direct gasoline injection type internal combustion engine, control equipment thereof, and injector
To balance ignition retard for reduction in exhaust and increase in exhaust gas temperature at a start of cooling, and increased output under a full open condition. There are provided an upward spray that forms airflow toward an electrode portion of an ignition plug...
06/09/2009
7464687Direct-injection engine, method of controlling the same, piston used in the same and fuel injection valve used in the same
In an injector having three concentrated fuel spray bands, one of the fuel spray bands is directed to an spark plug, and the others are directed to curved grooves on a piston. The sprays that enter each groove advance along each groove, mutually collide substantiall...
12/16/2008
7377261Spark ignition engine and method of controlling combustion of the engine
In warming up operation when the temperature of an engine is low, heat release in a combustion chamber is delayed by making ignition timing immediately before the top dead center of compression stroke or later. Hereby, exhaust gas including a large quantity of unbur...
05/27/2008
7375919Recording and reproducing apparatus
The dimension in the height direction of a reel braking mechanism to be disposed on the side of an S-side reel table in a video tape recorder is made small while making it difficult to disassemble an assembled state. The dimension in an axis line direction of a pin ...
05/20/2008
7261191Rotating brake member of braking device for vehicle
In a brake disc rotor 1, at least a road wheel mounting plane 6 is covered with a rust preventive coating 8 of rust preventive paint. The rust preventive paint is water-borne acrylic-denatured epoxy resin paint containing aluminum zinc phosphomo...
08/28/2007
7231902Fuel injection valve and internal combustion engine mounting the same
At an outlet portion of an injection hole (8) of a fuel injection valve (1), through removal of a part (A1, 7B) of a wall forming the injection hole (8), a restriction to a spray flow is released, thereby, a deflection spray is formed in ...
06/19/2007
7199976Reel lock mechanism of tape cassette and tape cassette
Each lock portion (15) has a front portion (23) including an anchoring pawl (24) and a back portion (25) extending in a direction opposite to the front portion. Therefore, when a slider (14) withdraws, each back portion comes into ...
04/03/2007
7089908Control device and control method for direct injection engine
A combustion control device and a method for a direct injection engine are disclosed wherein, when the engine is operating in the partial load range, the valve opening/closing mode of an intake valve and/or an exhaust valve is controlled so that exhaust gases remain...
08/15/2006
7089916Internal combustion engine and fuel injection control device therefor
In the fuel cylinder injection engine with the supercharging machine, the ignitability deteriorates because the density of the fuel at the spray center becomes excessive due to the shrinkage of the fuel spray under the supercharging. As a result, the density of the ...
08/15/2006
7082922Fuel injection method of internal combustion engine, fuel injection valve of the same, and internal combustion engine
In order to provide a fuel injection method of an internal combustion engine having higher combustion stability which can direct a part of concentrated fuel spray toward an ignition plug according to a fuel injection atmosphere, a fuel injection valve thereof, and a...
08/01/2006
6948474Cylinder direct injection type internal combustion engine
An internal combustion engine which injects fuel directly into a cylinder 104 and ignites air-fuel mixture formed in the cylinder, wherein each fuel injection of said internal combustion engine comprises a lead spray 105 which moves faster and a...
09/27/2005
6937437Reel lock mechanism of tape cassette, and tape cassette
Each lock portion (15) has a front portion (23) including an anchoring pawl (24) and a back portion (25) extending in a direction opposite to the front portion. Therefore, when a slider (14) withdraws, each back portion comes into ...
08/30/2005
6748919Internal combustion engine and fuel injection control device therefor
In the fuel cylinder injection engine with the supercharging machine, the ignitability deteriorates because the density of the fuel at the spray center becomes excessive due to the shrinkage of the fuel spray under the supercharging. As a result, the density of the ...
06/15/2004
6745743Control apparatus for a direct injection engine
A control apparatus for a direct injection engine having an intake valve, an exhaust valve and a fuel injection valve for injecting fuel directly into a cylinder of the engine and in which fuel injection by the fuel injection valve is performed during intake stroke ...
06/08/2004
6735048Tape cassette
A cassette casing 1 has a front lid 5 on its front surface side and a shutter plate 6 retreating on the upper surface of the cassette casing 1 in the way of sliding correspondingly with the operation of the front lid 5 being open a...
05/11/2004
6675766Fuel injection valve and internal combustion engine mounting the same
At an outlet portion of an injection hole (8) of a fuel injection valve (1), through removal of a part (A1, 7B) of a wall forming the injection hole (8), a restriction to a spray flow is released, thereby, a deflection spray is formed in which the spray i...
01/13/2004
6668793Internal combustion engine
A fuel spray is directed toward an ignition plug. To an injection bole outlet portion of a swirl type fuel injector, an L-shaped cut out is provided, and the fuel spray is formed with a deflection fuel spray which has a strong swirl component that can inj...
12/30/2003
6666397Tape cassette and cassette holder
A tape cassette, in which a mouth portion opened forward, upward, and downward is provided in a front portion of a cassette shell containing tape reels around which a tape-like magnetic recording medium is wound, and part of the tape-like recording medium...
12/23/2003
6612513Tape cassette and cassette holder
Disclosed is a tape cassette which is loaded in a tape drive apparatus by a manner of inserting the tape cassette in a cassette holder and then moving the cassette holder relative to a main chassis of the tape drive apparatus. The tape cassette includes a...
09/02/2003
6519931Direct gasoline injection type spark igniting internal combustion engine with turbocharger and the engine control method
In a direct gasoline injection type spark igniting internal combustion engine provided with a turbocharger and a catalyst, in order to optimize an exhaust gas control, the structure is made such that an optimum exhaust gas control can be obtained only by ...
02/18/2003
6502541Control system for direct fuel injection engine
The invention provide a control system for a direct fuel injection engine employing a valve varying mechanism, which can suppress mixing of burned gas and fresh air to maintain the combustion stability, can accelerate vaporization of sprayed fuel at the b...
01/07/2003
6453872Fuel injection valve and internal combustion engine mounting the same
At an outlet portion of an injection hole (8) of a fuel injection valve (1), through removal of a part (A1, 7B) of a wall forming the injection hole (8), a restriction to a spray flow is eliminated, thereby, a deflection of the spray occurs in which the s...
09/24/2002
5895876Sound reproducing apparatus which utilizes data stored on a recording medium to make the apparatus more user friendly and a recording medium used in the apparatus
A karaoke reproducing apparatus is equipped a measure for easily checking whether a music piece selected by the user has correctly been accepted or not. The apparatus has a memory in which music title name information of each of the music pieces recorded ...
04/20/1999
5868337Large tape cassette usable in a recording/reproducing apparatus capable of using both a large tape cassette and a miniature tape cassette
A tape cassette including: a case consisting of an upper half and a lower half, and having a recess in its front side; two tape reels rotatably supported within the case; a recording tape having opposite ends fastened to the two tape reels, respectively, ...
02/09/1999
5679911Karaoke reproducing apparatus which utilizes data stored on a recording medium to make the apparatus more user friendly
A karaoke reproducing apparatus is equipped a measure for easily checking whether a music piece selected by the user has correctly been accepted or not. The apparatus has a memory in which music title name information of each of the music pieces recorded ...
10/21/1997
5666251Cassettes having a plurality of sizes for storing recording mediums therein
A cassette having one of a plurality of sizes, in which each size cassette is adapted for use with a common cassette recording/reproducing apparatus. Each size cassette includes a cassette case holding a recording medium therein, an information device for...
09/09/1997
5630560Tape cassette
A tape cassette comprising a flat, box-like cassette case, a recording medium tape accommodated in the cassette case, and a lid for covering and protecting, when the tape cassette is not in use, the recording medium tape at a portion exposed out of the ca...
05/20/1997
5609486Karaoke reproducing apparatus
A Karaoke apparatus in which after one Karaoke play was finished, a show-up effect according to the next Karaoke playing music piece is obtained for a period of time until the start of the next Karaoke play. Control information of a plurality of music pie...
03/11/1997
5502608Tape cassette
In a tape cassette having a case with a mouth for receiving a magnetic head drum of a recording/reproducing apparatus and containing a recording tape wound on rotatable reels and including a tape run extending across the mouth; a front lid is pivotally su...
03/26/1996
5473106Karaoke reproducing apparatus
A karaoke reproducing apparatus for recording singing sound together with karaoke play sound, has a facility of printing information on the recorded musical program. The karaoke reproducing apparatus has a memory which contains previously stored recorded ...
12/05/1995
5467326Apparatus for selectively playing a recording medium
A recording medium playing apparatus which is capable of shortening the time required for operating the installation of recording media, and also, of accommodating a plurality of recording media in an accommodating section freely. A plurality of recording...
11/14/1995
5466883Karaoke reproducing apparatus
A karaoke reproducing apparatus which allows a user to specify one vocal part or both vocal parts of two parts when one piece of music selected from a plurality of pieces of music by the user is a multi-audio type, reproduces only instrumental accompanime...
11/14/1995
5455722A cassette having a recording medium for use with a recording/reproducing apparatus
A cassette having a recording medium contained therein for use with a recording/reproducing apparatus. The cassette includes a storage device for storing information pertaining to the recording medium and/or the cassette; a plurality of terminals coupled ...
10/03/1995
5449124Reel lock mechanism for tape cassette
A reel lock mechanism in a tape cassette locks a pair of tape reels against rotation to prevent a tape wound around the tape reels from being loosened. The reel lock mechanism has a reel lock assembly movable between a lock position to lock the tape reels...
09/12/1995
5390870Recording medium cassette and a recording/reproducing apparatus
A recording medium cassette being easily miniaturized if necessary, and a recording and/or reproducing apparatus, such as a VTR, adapted to use the same recording medium cassette. The recording medium cassette includes a printed wiring board having a plur...
02/21/1995
5359477Recording and/or reproducing apparatus having a cassette loading apparatus
A recording/reproducing apparatus is capable of operating with either one of two different types of tape cassettes which each have a cassette housing with a bottom wall having an underside formed with locating holes in a respective pattern, different from...
10/25/1994
5337204Tape cassette having recesses for cassette loading
In a tape cassette for use in a recording and reproducing apparatus such as a video tape recorder, and which includes a casing having a tape withdrawal opening, a pair of reels rotatably mounted in the casing with a tape wound around the reels and extendi...
08/09/1994
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