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Yasuo Ohtsuka Patents
Inventor:
Ohtsuka; Yasuo
Address:
Chigasaki, JP
No. of patents:
20
Patents:




Patent Number Title Of Patent Date Issued
7341354 Display device and display optical system unit March 11, 2008
A display apparatus includes a light source, and a partition wall which divides an inside of the display apparatus into an enclosing space which includes a plurality of optical elements and an outer space with respect to the enclosing space. The optical elements includes a color separato
7238812 Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic agen July 3, 2007
Tricyclic triazolobenzazepine derivatives in the form or a prodrug are provided. The compounds according to the present invention are those represented by formula (I) and pharmacologically acceptable salts and solvates thereon. The compounds are useful as antiallergic agents and exhi
7128422 Display device and display optical system unit October 31, 2006
A display apparatus includes a light source, and a partition wall which divides an inside of the display apparatus into an enclosing space which includes a plurality of optical elements and an outer space with respect to the enclosing space. The optical elements includes a color separato
7022860 Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic agen April 4, 2006
A process for preparing a compound represented by formula (IIa') ##STR00001## wherein Q represents group (i) as defined in the specification and R.sup.2 to R.sup.5, R.sup.31, R.sup.32, and R.sup.52 are as defined in the specification, by (1) reacting a compound represented by formul
6935750 Display device and display optical system unit August 30, 2005
A display apparatus includes a light source, plural reflecting type light valves having a light incidence/reflection surface which reflects incident light from the light source, and a partition wall which partitions a space in the display apparatus into a cooling air side and a light
6779894 Display device and display optical system unit August 24, 2004
A display apparatus includes a light source, a reflecting type light valve having a light incidence/reflection surface which reflects incident light from the light source, a first cooling fan which cools the reflecting type light valve, and a second cooling fan which cools the light sour
6582083 Display device and display optical system unit June 24, 2003
A display apparatus having a reflecting type light valve which has a light incidence/reflection surface, a drive circuit which drives the reflecting type light valve by supplying an image signal, a cooling system which cools at least the reflecting type light valve with cooling fluid, an
6555084 Method of decomposing ammonia gas April 29, 2003
The present invention provides a method of decomposing an ammonia gas, including the step of decomposing an ammonia gas, into a nitrogen gas with use of a composite material as a catalyst. The composite material has a carrier made mainly of carbon and at least one kind of an active eleme
6410477 Hydrogenation catalyst of carbon monoxide and method of manufacturing hydrogenation product June 25, 2002
Provided is a hydrogenation catalyst of carbon monoxide, which is suited to the manufacture of a hydrogenation product containing target components (e.g., gasoline fuel oil components or diesel fuel oil components) at high selectivity from a gas mixture of hydrogen and carbon monoxide. T
6394608 Display device and display optical system unit May 28, 2002
A display device, such as a reflecting type liquid crystal projector, in which dust is prevented from becoming attached to a reflecting type light valve, such as a liquid crystal panel, and an improvement in cooling effect are attained. The device has a structure having a partition wall
6372735 Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic April 16, 2002
Tricyclic triazolobenzazepine derivatives in the form or a prodrug are provided. The compounds according to the present invention are those represented by formula (I) and pharmacologically acceptable salts and solvates thereof. The compounds are useful as antiallergic agents and exhi
6181664 Disk cartridge and disk device using the same January 30, 2001
A disk apparatus for use in a disk cartridge system including different types of disk cartridge. The disk cartridge system has a first disk cartridge and a second disk cartridge. The first disk cartridge including a first case having a substantially rectangular shape with first, second,
6108299 Disk cartridge and disk device using the same August 22, 2000
A disk cartridge system having different types of disk cartridges for use in a disk cartridge drive apparatus. A first disk cartridge includes a first case having a substantially rectangular shape with first, second, third and fourth edges, the first edge of the case being delimited by a
6093714 Tricyclic benzazepine compounds July 25, 2000
Tricyclic benzazepine compounds represented by the following formula (I) and pharmacologically acceptable salts thereof are disclosed. These compounds have antiallergic activity and are useful for treatment and prevention of bronchial asthma, eczema, hives, allergic gastrointestinal
6075763 Disk cartridge and disk device using the same June 13, 2000
A disk cartridge system including different types of disk cartridges for use in a cartridge drive apparatus, including first and second disk cartridges. The first disk cartridge including a first case having a substantially rectangular shape with first, second, third and fourth edges
5991260 Disk cartridge and disk device using the same November 23, 1999
A disk cartridge and a disk device for receiving the disk cartridge to enable recording and/or reproducing of information from or on a disk housed within the disk cartridge. The disk cartridge includes a disk in which information is recorded and/or reproduced, a case for housing the
5840895 Triazole intermediates for tricyclic benzazepine and benzothiazepine derivatives November 24, 1998
Compounds of formulae (II), (III), (IV) and (V) or salts thereof are intermediates for pharmacologically active tricyclic benzazepine and benzothiazepine derivatives, ##STR1## wherein R represents hydrogen, alkyl, phenylalkyl, or a protective group of a triazole ring, R.sup.1 -R.
5686442 Tricyclic benzazepine and benzothiazepine derivatives November 11, 1997
The tricyclic benzazepine and benzothiazepine derivatives represented by the formula (I) and pharmacologically acceptable salts thereof are disclosed. ##STR1## wherein Z represents CO, --CR.sup.6 R.sup.7 -- or --S(O).sub.n, R represents hydrogen, alkyl, phenylalkyl, or a protecti
4848983 Catalytic coal gasification by utilizing chlorides July 18, 1989
A process of catalytic coal gasification characterized by mixing an inexpensive, low rank coal with an aqueous solution of inexpensive, widely existing alkali metal or alkaline earth metal chlorides, such as Nacl, KCl, or the like; adding a pH adjustor such as ammonia to the resulting
4712970 Method for handling a work in a robot system December 15, 1987
A method for teaching a holding position and a holding angle of a work by a hand of a robot to the robot in a robot system having a visual sensor attached to a movable arm of the robot. First, the work is held by the hand which is in a prescribed reference angle state and put down on a


 
 
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