Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5890009 | VLIW architecture and method for expanding a parcel A very long instruction word (VLIW) architecture and method provide for functionally expanding a parcel. The instruction register of the VLIW architecture is divided into a plurality of parcels, each of which has corresponding processing logic. The proces... | 03/30/1999 |
| 5493996 | Device for automatically cleaning birds A method and device for cleaning a bird whose plumage has been soiled by pollution are provided, in which the bird is placed in a cage and the bird, with the exception of its head, is subjected to the action of jets of cleaning and rinsing liquid issuing ... | 02/27/1996 |
| 5478287 | Drive mechanism, in particular for motor vehicles A drive mechanism, in particular for motor vehicles having a combustion engine including at least one compressor of the displacement type integrated by way of members of a planetary gear drive into the transmission train, and which by means of valves can ... | 12/26/1995 |
| 5470852 | Tetrahydroprotoberberine quaternary ammonium compounds useful in for treating arrhythmia A tetrahydroprotoberberine quaternary ammonium compound represented by the formula: ##STR1## wherein R1, R2, R' and X are as defined in the specification. A method of preparing the compound is provided. The compounds can suppres... | 11/28/1995 |
| 5457034 | Vectors for expression of NGF in eukaryotic cells This invention relates to a process for obtaining, from transformed cells, the polypeptide called nerve growth factor (ଲ-NGF), and more precisely to the process for obtaining, by recombinant DNA technology using genetic constructions insertible in a... | 10/10/1995 |
| 5225192 | Poorly soluble medicaments supported on polymer substances in a form suitable for increasing their dissolving rate A poorly soluble medicament is incorporated into particles of a crosslinked polymer which is swellable in water but insoluble in water, and the product obtained is brought into contact with a solvent able to swell the polymer. The product obtained by this... | 07/06/1993 |
| 5219757 | Production of optically active 1,3-butanediol by asymmetric assimilation or reduction of 4-hydroxy-2-butanone An optically active 1,3-butanediol can be produced by either (1) treating a mixture of 1,3-butanediol enantiomers with a microorganism, which has been optionally treated, capable of asymmetrically assimilating said mixture, or (2) preparing a microorganis... | 06/15/1993 |
| 5076976 | Process for producing polyester film A molten polyester sheet is solidified by cooling it on the surface of a mobile cooling medium on which a water film has been formed. The sheet is stretched at least 4.5-fold in overall stretching ratio in a longitudinal direction through a plurality of s... | 12/31/1991 |
| 5067008 | IC package and IC card incorporating the same thereinto An IC package comprising an integrated substrate which includes a cavity, in which an IC chip is mounted, formed by a wall surrounding the IC chip, and a groove formed in the surrounding wall extending to surround and communicate with the cavity and metho... | 11/19/1991 |
| 4975460 | Indanoxyacetic acid derivatives Novel indanoxyacetic acid derivatives of the formula: ##STR1## wherein R1 is a lower alkyl group, a substituted or unsubstituted phenyl group, naphtyl group or a sulfur-containing heterocyclic group, R2 is hydroxy group or a pro... | 12/04/1990 |
| 4907331 | Mechanism for detaching an automobile door A hinge pin is temporarily held on a first hinge member on the automobile body by means of a hinge pin support mechanism. A door to be attached to the automobile body is held in position, and a second hinge member on the door is brought into engagement wi... | 03/13/1990 |
| 4896146 | Color image processor A color processor which first writes each line of color data into a frame memory on the receipt of the color data from the color scanner which optically scans the color document and reads red, green, and blue components that are resolved from an individua... | 01/23/1990 |
| 4894707 | Semiconductor device having a light transparent window and a method of producing same A semiconductor device having a light transparent window includes: a wall produced at an outer contour of a light receiving section on the surface of a semiconductor chip, the molding resin which is produced after a process of inserting the chip in a meta... | 01/16/1990 |
| 4886955 | Heating apparatus for maintaining a solution at a predetermined temperature A heating apparatus including a heating member for heating a subject, a temperature detector for detecting a temperature of the subject an energizing control element that is electrically connected to the temperature detector so that current conduction to ... | 12/12/1989 |
| 4874344 | Soft animal toys A soft animal toy includes a parent animal toy and one or more baby animal toys which can be accommodated inside an abdominal cavity of the parent. The cavity is served by a closable opening. The toy also includes a container for the parent toy which is r... | 10/17/1989 |
| 4870486 | Virtual stereographic display system A virtual stereographic display system which includes a display image surface, a polarizer disposed before the display image surface, a liquid crystal cell in which ferroelectric smectic liquid crystal is aligned, and disposed before the polarizer, a driv... | 09/26/1989 |
| 4862153 | Flat display panel with framing for flexible substrate folding A flat matrix display panel having every side connected to an end of a flexible wiring substrate with an LSI chip loaded thereon. The flexible wiring substrate is formed into an S shape cross section by folding the substrate along an upper and a lower fra... | 08/29/1989 |
| 4862443 | Sync signal detection apparatus for accurately synchronizing reproduced data A sync signal detection apparatus is provided wherein a sync signal represents the top of recorded data. The sync signal includes a plurality of marks each having a different pattern from the pattern of any other mark. The apparatus is equipped with a cir... | 08/29/1989 |
| 4857686 | Microwave oven with heating chamber temperature detecting circuit In a circuit for detecting the heating chamber temperature in a microwave oven, a switching transistor is connected in series or parallel with a heating chamber temperature detecting thermistor. If and when the heating chamber temperature need not be dete... | 08/15/1989 |
| 4851890 | Solid-state image sensor A solid-state image sensor having a plurality of unit cells, each of which comprises a photosensitive area and a CCD register for the transfer of a signal charge generated in the photosensitive area. Both the photosensitive area and the CCD register are d... | 07/25/1989 |
| 4847751 | Multi-task execution control system In a microcomputer system, having independently programmed tasks and a master control processing unit (CPU), tasks can be switched independent of the master CPU through the use of a multi-task support processor which may, for example, be connected to the ... | 07/11/1989 |
| 4845929 | Cutter-trimmer of walk-behind type A cutter-trimmer comprising a drivingly rotatable cutter disposed at the front end of the body thereof, a guide handle disposed at the rear end of the body, a wheel member disposed in the vicinity of the cutter and reversibly rotatable about a horizontal ... | 07/11/1989 |
| 4843536 | AC input free power source There is disclosed an AC input free power source comprising a power transformer to receive an AC input, a rectifier to convert the AC input into a DC output, and a switching transistor so driven as to produce a stable current by the switching action there... | 06/27/1989 |
| 4843438 | Thin film transistor A thin film transistor which includes an insulative substrate, and a gate electrode, a gate isulating film, a semi-conductor film, a source electrode, and a drain electrode, which are all laminated in that order onto the insulating substrate in the form o... | 06/27/1989 |
| 4843635 | Channel selecting panel holder for television set A channel selecting panel holder rotatably stores an operating section comprising a remote control transmitter inside the cabinet of a television set, video recorder and the like. The transmitter serves as an operating apparatus for the teleivison set. Th... | 06/27/1989 |
| 4833335 | Neutron shielded door for radiation therapy rooms A neutron shielded door has a hollow interior portion for containing a neutron retarding fluid. This neutron retarding fluid may consist of hydrogen rich compound, such as water, with a dissolved boron compound. This door contains internal baffles for pre... | 05/23/1989 |
| 4833286 | Microwave stirrer for microwave oven A microwave oven comprises a microwave generator, a heating chamber, a waveguide for leading microwaves from the microwave generator to the heating chamber, a blower for generating air current in the waveguide, a microwave stirring member rotated by air c... | 05/23/1989 |
| 4828876 | Production of photoelectric conversion film and contact type image sensor A process for preparing a photoelectric conversion film containing one or more compound semiconductor made from Cd and group Vi element comprises coating a paste containing (a) a photoelectric conversion material, (b) a dopant, (c) a flux, (d) an organic ... | 05/09/1989 |
| 4827332 | Still video camera with color balance adjustment circuit responsive to shutter release switch and strobe light ready signal A still video camera includes a color temperature sensor for detecting the color temperature of ambient light which is used in the color balance adjustment of video signals outputted from an image pickup system. The camera further includes a strobe emissi... | 05/02/1989 |
| 4825568 | Apparatus for controlling posture of work implement of loader An apparatus for controlling the posture of the work implement of a loader comprises a boom supported by a boom pivot on a mast secured to a vehicle body and movable upward and downward by a boom cylinder, first and second arms supported by an intermediat... | 05/02/1989 |
| 4826346 | Camshaft preferably for an internal combustion engine A camshaft for an internal combustion engine comprising a metal cam, a shaft inserted into a through hole formed in the cam and resin poured between the cam and the shaft to join them. The cam is formed with plural grooves which are formed in the inner pe... | 05/02/1989 |
| 4822531 | Non-venting microgravity carbonator and method A method for carbonating water and a carbonator which can be used on earth or in the microgravity conditions of outer space uses a tank having first and second chambers separated by a movable piston. Carbon dioxide inlets, water inlets and carbonated wate... | 04/18/1989 |
| 4819708 | Manually operable electric curtain A manually and automatically operable curtain is provided with an electric motor, a planetary gearing of which the sun gear is fixed to the output shaft of the motor, a driven gear engageable with the planet gear of the planetary gearing, a cord pulley fi... | 04/11/1989 |
| 4816083 | Multifunctional electromagnetic valve assembly A multi-function electromagnetic valve assembly is provided which combines a number of housing combinations of electromagnetic valves into a single housing or connects the valves such that the valve inlets and/or exits are separate and/or merged to form a... | 03/28/1989 |
| 4815669 | Shredder A shredder including a storage device for placing a number of documents to be shredded, a separate transport device for transporting the documents at least one sheet by one sheet, a transport preventing device for preventing transport of an unsuitable doc... | 03/28/1989 |
| 4814988 | Machine translation system translating all or a selected portion of an input sentence A machine translation system to display an input sentence and a translated sentence thereof, comprising a region specifying circuit for specifying a desired portion in the input sentence, and a partial translating circuit for translating only the portion ... | 03/21/1989 |
| 4812837 | LC display device with both positive and negative image display modes A liquid crystal display device includes a video RAM for storing character and graphic data, a control circuit for selecting specific data from the RAM to be displayed on a liquid crystal display panel, and a positive/negative mode selector for selecting ... | 03/14/1989 |
| 4811820 | Disk brake motor A disk brake motor comprises an electric motor having a housing, an electromagnet, at least one friction surface and a brake wheel which is in contact with the friction surface during braking, the brake wheel including an impeller for drawing in and impel... | 03/14/1989 |
| 4809953 | Belt tightener A belt tightener includes, in addition to a clasping mechanism for a belt to hold motor vehicles and other heavy loads firmly in a given position of transportation device such as a carrier vessel, a specific device for preventing the belt from loosening d... | 03/07/1989 |
| 4810120 | Perfecting printer with turnover unit A perfecting printer comprises a feeding roller for successively feeding cutforms accommodated in a feed stacker onto a transfer path provided with pairs of reversible transfer rollers. Each cutform is first transferred forward past a printing unit withou... | 03/07/1989 |