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Assignee: Hoxan Corporation


Location: Sapporo, JP
No. of patents: 27

NumberTitleIssue Date
5367259Active shielding device based on SQUID and feedback therefrom for the reduction of environmental magnetic noise
A magnetic noise reducing device can effectively produce a practically noiseless space that can reduce environmental magnetic noise harmful for measuring biomagnetism with a high magnetism damping factor in low frequency range. The magnetic noise reducing...
11/22/1994
52833451ଲ,7,8-trihydroxy vitamin D2, 1.smallcircle.,7,8-trihydroxy vitamin D3 and their derivatives and method of manufacturing these chemicals
There are disclosed novel compounds that can be used to derive therefrom a fragment that corresponds to an A-ring which is to be comined with fragments which respectively correspond to C- and D-rings in synthetic formation of vitamin D3 derivat...
02/01/1994
5167758Method of forming polycrystalline silicon layer on semiconductor wafer
A method of forming a polycrystalline silicon layer on a semiconductor wafer is disclosed having the steps of placing the semiconductor wafers in a predetermined number of recesses formed on a mold body, then creating a mold by securing a mold cover in co...
12/01/1992
5133095Method of and system for supplying electric power to automatic water discharge apparatus
An electric power supply system is provided for an automatic water discharge device for discharging water to flush a basin. An object detector detects a person before the basin. A brightness detector, which consumes less electric power than the object det...
07/28/1992
4987921Method of fabricating frozen fine liver piece for artificial liver, apparatus for freezing the same and freezing vessel
A method of fabricating frozen fine liver pieces for an artificial liver which comprises cutting a liver removed from a human being or an animal, from which blood is removed into fine pieces of square shape and freezing the liver pieces with helium gas. A...
01/29/1991
4984430Method of fabricating frozen fine liver pieces for artificial liver, apparatus for freezing the same, and freezing vessel
A method of fabricating frozen fine liver pieces for an artificial liver which comprises cutting a liver removed from a human being or an animal, from which blood is removed into fine pieces of square shape and freezing the liver pieces with helium gas. A...
01/15/1991
4883452Method of fabricating frozen fine liver pieces for artificial liver, apparatus for freezing the same, and freezing vessel
A method of fabricating frozen fine liver pieces for an artificial liver which comprises cutting a liver removed from a human being or an animal, from which blood has been removed, into fine pieces of square shape and freezing the liver pieces with helium...
11/28/1989
4745163Catalytic film polymerization of acetylene
An apparatus for producing a polyacetylene film by contacting acetylene gas with Ziegler-Natta catalyst to polymerize the acetylene gas in a vessel which comprises a catalyst introduction conduit to be introduced with the Ziegler-Natta catalyst provided a...
05/17/1988
4675137Method for producing polyacetylene film
A method for producing a polyacetylene film by introducing acetylene gas into a vessel for storing Ziegler-Natta catalyst to polymerize the acetylene gas with the catalyst which comprises a film forming projecting flat section having a film forming flat s...
06/23/1987
4663123Apparatus for producing polyacetylene film
An apparatus for producing a polyacetylene film by contacting acetylene gas with Ziegler-Natta catalyst to polymerize the acetylene gas in a vessel which comprises a catalyst introduction conduit to be introduced with the Ziegler-Natta catalyst provided a...
05/05/1987
4561486Method for fabricating polycrystalline silicon wafer
A method of fabricating a polycrystalline silicon wafer, which method includes the steps of radially outwardly flowing molten liquid of silicon base material on the wafer forming surface of a turntable mechanism by means of centrifugal force, thereby form...
12/31/1985
4553919Apparatus for producing polyacetylene film
An apparatus for producing a polyacetylene film by polymerizing acetylene gas in contact with Ziegler-Natta catalyst comprising in a vessel to be introduced with acetylene gas a rotatably driven film forming drum, a coating member for coating the Ziegler-...
11/19/1985
4549816Apparatus for measuring melting and boiling points of gas
An apparatus for measuring the melting and boiling points of gas has a heat insulating tank, an inner tank within the insulating tank, a sample cell within the inner tank with a sample gas temperature measuring system. A piping system is provided having a...
10/29/1985
4544343Apparatus for producing polyacetylene film
An apparatus for producing a polyacetylene film by polymerizing acetylene gas in contact with Ziegler-Natta catalyst comprising: in a vessel to be introduced with acetylene gas a film producing container for storing Ziegler-Natta catalyst, a pair of feed ...
10/01/1985
4539824Apparatus for continuously freezing liver piece
An apparatus for continuously freezing liver pieces which comprises a freezing box having an inlet and an outlet, a conveyor movable from the inlet to the outlet of the freezing box and having a mesh belt, a number of nozzles provided laterally through th...
09/10/1985
4531958Helium gas liquefying apparatus
A helium gas liquefying apparatus which has a compressor receiving helium gas stock, plural heat exchangers connected in series with each other via a series liquefying line, plural expansion engines connected in parallel with the corresponding heat exchan...
07/30/1985
4519764Apparatus for fabricating polycrystalline silicon wafer
A method of fabricating a polycrystalline silicon wafer, which method advantageously has the steps of radially outwardly flowing molten liquid of silicon base material on the wafer forming surface of a turntable mechanism by means of centrifugal force, th...
05/28/1985
4494385Method of preserving organ and apparatus for preserving the same
A method of preserving an organ which comprises a first perfusing step of injecting blood uniform i.e., perfusing choline from an artery or portal vein of the excised organ while gradually lowering its temperature and exhausting it from the vein, continui...
01/22/1985
4490833X-Ray photographic inspecting device
An X-ray photographic inspecting device for inspecting a welded part such as, for example, a vertical welded part on a wall to be inspected like the wall of a metal tank, which has a body movable at the upper edge of the wall to be inspected and supported...
12/25/1984
4487033Method of freezing fertilized ova, spermatozoa or the like and apparatus therefor
A method of freezing fertilized ova, spermatozoa or the like which has the steps of containing fertilized ova, spermatozoa or the like in a buffer solution at an irregular position in a tube, and cooling the same so that a buffer solution contained in the...
12/11/1984
4480682Apparatus for freezing fertilized ova, spermatozoa or the like
An apparatus for freezing fertilized ova, spermatozoa or the like has a heat transfer bottom board block formed at the lower end of a heat insulating peripheral wall with a lower refrigerant passage capable of flowing refrigerant. A bottom board temperatu...
11/06/1984
4462215Method of preserving organ and apparatus for preserving the same
A method of preserving an organ which comprises first perfusing step of injecting blood uniformly perfusing choline from an artery or portal vein of the excised organ while gradually lowering its temperature and exhausting it from the vein continuing unti...
07/31/1984
4429542Method of freezing fertilized ova, spermatozoa or the like and apparatus therefor
A method of freezing fertilized ova, spermatozoa or the like which has the steps of containing fertilized ova, spermatozoa or the like in a buffer solution at an irregular position in a tube, and cooling the same so that a buffer solution contained in an ...
02/07/1984
4428684Apparatus for measuring melting point and boiling point of gas
A sample cell is located in an inner tank which is surrounded by a heat insulating container. Inert gas is circulated through the inner tank from separate heating and cooling paths. A pressure regulator is located in the sample cell....
01/31/1984
4421537Helium gas liquefying apparatus
A helium gas liquefying apparatus which has a compressor receiving helium gas stock, plural heat exchangers connected in series with each other via a series liquefying line, plural expansion engines connected in parallel with the corresponding heat exchan...
12/20/1983
4405243Cryogenic impact testing method and machine
A cryogenic impact testing method of Charpy's and falling weight types which can test a test piece without substantially exposing the test piece with the atmospheric air under the same test piece cooling space, temperature controlling space and impact tes...
09/20/1983
4333753Method of liquefying Freon gas
A method of liquefying Freon gas using a vessel having an inner and an outer tank, and a jacket around the inner tank which comprises the steps of operating a vacuum pump, opening a solenoid valve to evacuate the air in the space formed between the outer ...
06/08/1982
 
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