Patents by Inventor Masaki Ohta
Masaki Ohta has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 9371271Abstract: In production of a cationic lipid having at least one methylene group sandwiched between adjacent two cis form double bonds in the molecule, isomerization from a cis form to a trans form is suppressed. A compound represented by the following formula (I): R1—X??(I) (in Formula, R1 represents a hydrocarbon group having at least one methylene group sandwiched between adjacent two cis form double bonds in the molecule and having the carbon number of 8 to 24 and X represents a releasing group) is reacted with (B) a compound having at least one of each of tertiary amino group and hydroxyl group in the molecule in a saturated hydrocarbon solvent having the carbon number of 5 to 10 in the presence of an alkali catalyst.Type: GrantFiled: June 21, 2013Date of Patent: June 21, 2016Assignee: NOF CORPORATIONInventors: Kazuhiro Kubo, Kota Tange, Masaki Ohta
-
Publication number: 20150191416Abstract: In production of a cationic lipid having at least one methylene group sandwiched between adjacent two cis form double bonds in the molecule, isomerization from a cis form to a trans form is suppressed. A compound represented by the following formula (I): R1—X??(I) (in Formula, R1 represents a hydrocarbon group having at least one methylene group sandwiched between adjacent two cis form double bonds in the molecule and having the carbon number of 8 to 24 and X represents a releasing group) is reacted with (B) a compound having at least one of each of tertiary amino group and hydroxyl group in the molecule in a saturated hydrocarbon solvent having the carbon number of 5 to 10 in the presence of an alkali catalyst.Type: ApplicationFiled: June 21, 2013Publication date: July 9, 2015Applicant: NOF CORPORATIONInventors: Kazuhiro Kubo, Kota Tange, Masaki Ohta
-
Patent number: 8342542Abstract: A suspension device includes a wheel supporting member configured to rotatably support a wheel. Two links respectively link the wheel supporting member and a vehicle-body side member and are disposed substantially in parallel in a vehicle width direction. At least one projecting portion extends from at least one of the two links towards the other link, and an elastic linking portion links the projecting portion of one of the links to at least one of the other link and the projecting portion of the other link. A toe angle adjusting device is configured to input a force in a direction oriented backward in the vehicle forward-backward direction to the wheel supporting member to adjust a toe-in angle of the wheel.Type: GrantFiled: April 2, 2008Date of Patent: January 1, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Kenji Sagara, Yusuke Kageyama, Yoshihiro Kawabe, Masahiko Nishida, Isao Watanabe, Masaya Kunitomo, Masaki Ohta
-
Publication number: 20120003437Abstract: A photosensitive composition contains (A) a polymer obtained from a silsesquioxane constituted of one or two or more kinds of a cage-shaped silsesquioxane compound represented by the specific formula.Type: ApplicationFiled: June 30, 2011Publication date: January 5, 2012Applicant: FUJIFILM CORPORATIONInventors: Kenji WADA, Masaki OHTA, Kunihiko KODAMA
-
Publication number: 20100201086Abstract: A suspension device includes a wheel supporting member configured to rotatably support a wheel. Two links respectively link the wheel supporting member and a vehicle-body side member and are disposed substantially in parallel in a vehicle width direction. At least one projecting portion extends from at least one of the two links towards the other link, and an elastic linking portion links the projecting portion of one of the links to at least one of the other link and the projecting portion of the other link. A toe angle adjusting device is configured to input a force in a direction oriented backward in the vehicle forward-backward direction to the wheel supporting member to adjust a toe-in angle of the wheel.Type: ApplicationFiled: April 2, 2008Publication date: August 12, 2010Applicant: NISSAN MOTOR CO., LTD.Inventors: Kenji Sagara, Yusuke Kageyama, Yoshihiro Kawabe, Masahiko Nishida, Isao Watanabe, Masaya Kunitomo, Masaki Ohta
-
Patent number: 5247514Abstract: A multiple channel transit call control apparatus includes a transit message storage queue unit, a node message counter, a node transit trunk call opportunity message definition count memory, and a control unit. The transit message storage queue unit stores transit messages arriving at a storage and forward switching system according to destination node identity. The node message counter counts messages in the transit message storage queue unit according to destination node identity. The node transit trunk call opportunity message definition count memory defines the number of channels to be called for every predetermined count of the node message counter according to destination node identity. The control unit outputs a call request signal when the value of the node message counter exceeds a predetermined count stored in the node transit trunk: call opportunity message definition count memory.Type: GrantFiled: August 8, 1991Date of Patent: September 21, 1993Assignee: NEC CorporationInventors: Sin-ichiro Matsuda, Masaki Ohta
-
Patent number: 5190906Abstract: In order to increase performances of an iron oxide-potassium oxide system catalyst to be used for an alkyl aromatic hydrocarbon dehydrogenation reaction in the presence of steam, there is provided an alkyl aromatic hydrocarbon dehydrogenation catalyst wherein a little amount of titanium oxide is added by the mixing and kneading method or by the preceding addition to iron oxide in the production of the iron oxide-potassium oxide system catalyst to be used for the alkyl aromatic hydrocarbon dehydrogenation reaction in the presence of steam. The iron oxide-potassium oxide system catalyst is allowed to contain a little amount of titanium oxide, whereby an activity can be remarkably increased, as well as a selectivity in the same conversion ratio can also be improved in the alkyl aromatic hydrocarbon dehydrogenation reaction, and further the obtained catalyst exhibits stable performances with time on stream.Type: GrantFiled: February 27, 1992Date of Patent: March 2, 1993Assignee: Nissan Girdler Catalyst Co., Ltd.Inventors: Akira Murakami, Hidemi Unei, Masayuki Teranishi, Masaki Ohta
-
Patent number: 5100301Abstract: A variable capacity wobble plate type compressor having an electromagnetic induction type rotation detector detecting an actual rotation of internal rotatable elements in the compressor, which has a flanged disc-like element having apertures formed in the flange of the element and attached to a drive plate support element rotatable with a drive shaft of the compressor and an electromagnetic induction type sensing element cooperable with the apertures of the flanged disc-like element to generate an electric voltage signal having a wave form having symmetrical peak absolute values of different polarities with reference to a reference voltage level and in no way influenced by the existence of a partial balancing rom portion of the drive plate support element.Type: GrantFiled: June 20, 1991Date of Patent: March 31, 1992Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Shigeyuki Hidaka, Soukichi Hibino, Toru Takeichi, Masaki Ohta
-
Patent number: 4880356Abstract: In a wobble plate type compressor having a wobble plate that converts a rotational motion of a rotatable drive plate having a variable angle of inclination to a linear reciprocating motion of a piston, a method of controlling the wobble plate type compressor to control a displacement of the compressor by changing an angle of inclination of the wobble plate according to a pressure difference between a pressure in a crankcase chamber acting on one side of the piston and a suction pressure acting on the other side of the piston. A solenoid-operated control valve is disposed in a pressure control passage extending from a discharge chamber to the crankcase chamber. The control valve is opened and closed to control the above-mentioned pressure difference, thus controlling the angle of inclination of the wobble plate. An opening of the control valve is increased during a period in which the displacement of the compressor is to be reduced, according to a displacement rapid reduction command signal.Type: GrantFiled: August 9, 1988Date of Patent: November 14, 1989Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Shinichi Suzuki, Soukichi Hibino, Takahiro Hamaoka, Masaki Ohta
-
Patent number: 4732545Abstract: A variable capacity wobble plate type compressor with a lubricator for oil-lubricating wobble plate bearings in a crankcase interior, which has an oil dam formed in an entrance of the central bore of a drive plate rotatably mounted on a compressor drive shaft for catching and preserving a lubricating oil scattered by a non-rotary wobble plate during wobbling in the crankcase interior and an oil supply conduit for supplying the preserved oil in the oil dam to the thrust and radial bearings by which the wobble plate is supported on the drive plate.Type: GrantFiled: November 7, 1986Date of Patent: March 22, 1988Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Masaki Ohta, Kenji Takenaka, Hiroaki Kayukawa, Akihiko Hyodo
-
Patent number: 4730986Abstract: A variable displacement wobble plate type compressor with a variable angle non-rotary wobble plate, having a suction chamber for refrigerant before compression, a discharge chamber for refrigerant after compression, suction, and compression, and discharge cylinder bores, pistons reciprocated by the wobble plate within the cylinder bores for compressing the refrigerant, a crankcase with a crank chamber to receive therein a drive and a wobble plate mechanism mounted about a drive shaft connectable to a rotary drive source, i.e.Type: GrantFiled: April 20, 1987Date of Patent: March 15, 1988Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Hiroaki Kayukawa, Masaki Ohta, Shinichi Suzuki, Kenji Takenaka
-
Patent number: 4729718Abstract: The inclination angle of the wobble plate in a wobble plate type compressor is changed to obtain a discharge capacity in accordance with a cooling load. A spring is provided to adjust the inclination angle of the wobble plate in cooperation with the pressure force acting upon the pistons connected to the wobble plate, and thus the pressure in the suction chamber corresponding to the temperature of the exhausted air is kept at a constant level. That is, the temperature of the exhausted air is kept at a constant level suitable for maintaining a desired cooling condition in a vehicle.Type: GrantFiled: September 24, 1986Date of Patent: March 8, 1988Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Masaki Ohta, Shinichi Suzuki, Akihiko Hyodo, Kenji Takenaka
-
Patent number: 4729719Abstract: A variable displacement wobble plate type compressor with a variable angle non-rotary wobble plate, having a suction chamber for refrigerant returning from a refrigerating circuit via an evaporator, a discharge chamber for refrigerant after compression, suction and compression cylinder bores formed in a cylinder block, pistons reciprocating in the cylinder bores, a crankcase attached to the end of the cylinder block and receiving therein a drive and a wobble plate mechanism mounted about a drive shaft connectable to a rotary drive source, connected to the pistons to cause reciprocating motion of the pistons and capable of changing the wobble angle thereof and thereby change the strokes of the pistons, a first passageway for communicating the crankcase interior chamber with a discharge chamber to supply pressure acting as a back-pressure applied to the pistons, a control valve unit for closing and opening the first passageway, a second passageway extending through the drive shaft for communicating the crankcasType: GrantFiled: July 27, 1987Date of Patent: March 8, 1988Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Hiroaki Kayukawa, Masaki Ohta, Akihiko Hyodo, Kenji Takenaka
-
Patent number: 4723891Abstract: A variable displacement wobble plate type compressor with a variable angle non-rotary wobble plate, having a suction chamber for refrigerant before compression, a discharge chamber for a compressed refrigerant, suction and compression cylinder bores, pistons reciprocated by the wobble plate within the cylinder bores for compressing the refrigerant, a crankcase with a chamber to receive therein a drive, and a wobble plate mechanism mounted about a drive shaft connectable to a rotary drive source, i.e.Type: GrantFiled: April 8, 1987Date of Patent: February 9, 1988Assignee: Toyoda Jidoshokki Seisakusho Kabushiki KaishaInventors: Kenji Takenaka, Shinichi Suzuki, Hiroaki Kayukawa, Masaki Ohta
-
Patent number: 4712982Abstract: A variable displacement wobble plate compressor with a guide unit for a wobble plate, having a cylindrical guide rod axially extending in the compressor in parallel with a compressor drive shaft, a slide slidably and rotatably fitted on the guide rod and provided with lateral pivots on laterally opposite sides thereof which extend in a direction at a right angle to the axis of the guide rod, and a pair of shoes pivotally engaged with the pivots of the slide and slidably received in a radial recess formed in a lowermost portion of the wobble plate. Each of the shoes has a semi-cylindrical outer face complementary with a semi-cylindrical concave wall of the radial recess of the wobble plate so as to permit a relative turning of the wobble plate to the shoes. The slide and shoes may have oil passageways and/or oil grooves.Type: GrantFiled: March 21, 1986Date of Patent: December 15, 1987Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Mitukane Inagaki, Masaki Ohta, Akihiko Hyodo, Kenji Takenaka, Takashi Mitibata, Shinichi Suzuki, Hiroaki Kayukawa
-
Patent number: 4702677Abstract: A variable displacement wobble plate type compressor with a variable angle non-rotary wobble plate, having a suction chamber for a refrigerant before compression, a discharge chamber for a compressed refrigerant, suction and compression discharge cylinder bores, pistons reciprocated by the wobble plate within the cylinder bores for compressing the refrigerant, a crankcase with a crank chamber to receive therein a drive and a wobble plate mechanism mounted about a drive shaft connectable to a rotary drive source, i.e.Type: GrantFiled: February 26, 1987Date of Patent: October 27, 1987Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Kenji Takenaka, Shinichi Suzuki, Hiroaki Kayukawa, Masaki Ohta
-
Patent number: 4688997Abstract: A variable displacement compressor with a variable angle non-rotary wobble plate, having a suction chamber for refrigerant before compression, a discharge chamber for refrigerant after compression, suction and compression cylinders, pistons reciprocating in the cylinders, a crankcase receiving therein a wobble plate mechanism connected to pistons to cause reciprocating motion of the pistons and capable of changing the wobble angle thereof, a first passage for communicating the crankcase interior with the discharge chamber, a shutoff valve unit for closing and opening the first passage, a second passage for communicating the crankcase interior with the suction chamber to extract the refrigerant from the crankcase interior into the suction chamber, and a valve control unit for controlling the operation of the shutoff valve unit in response to a change in a fluid pressure in the crankcase interior with respect to a predetermined pressure level thereby controlling the wobble angle of the wobble plate mechanism.Type: GrantFiled: March 14, 1986Date of Patent: August 25, 1987Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Shinichi Suzuki, Kenji Takenaka, Masaki Ohta
-
Patent number: 4687419Abstract: A variable displacement compressor with a variable angle non-rotary wobble plate, having a control valve assembly which includes a pressure detecting unit for detecting a change in a pressure in the compressor crankcase and a single valve mechanism arranged in a communication passageway between the crankcase and the compressor suction chamber and able to control communication between the crankcase and the suction chamber in association with a pressure changing signal from the pressure detecting unit so that the pressure in the crankcase is maintained at a predetermined pressure value.Type: GrantFiled: December 23, 1985Date of Patent: August 18, 1987Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Shigeru Suzuki, Masaki Ohta, Kenji Takenaka
-
Patent number: 4685866Abstract: A variable displacement wobble plate type compressor with a variable angle non-rotary wobble plate, having a suction chamber for refrigerant before compression, a discharge chamber for refrigerant after compression, suction and discharge cylinder bores, pistons reciprocating in the cylinder bores, a crankcase receiving therein a drive and a wobble plate mechanism mounted about a drive shaft connectable to a rotary drive source, i.e.Type: GrantFiled: April 28, 1986Date of Patent: August 11, 1987Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Kenji Takenaka, Masaki Ohta, Hiroaki Kayukawa
-
Patent number: 4674957Abstract: A variable displacement swash plate type compressor having a cylinder block in which a drive shaft is centrally and axially extended so as to mount thereon a swash plate assembly to drive pistons reciprocally arranged in a plurality of cylinder bores arranged circumferentially about the drive shaft. The swash plate assembly has a rotary swash plate and a non-rotary wobble plate in a crankcase formed in the cylinder block and a mechanism for changing the wobble angle of the swash plate and the wobble plate by turning them about an axis extending at a right angle to the rotating axis of the drive shaft and passing through points which come into registration with respective centers of connection of connecting rods of the pistons and the wobble plate when the pistons are at the top dead center of their strokes within the cylinder bores.Type: GrantFiled: December 18, 1985Date of Patent: June 23, 1987Assignee: Kabushiki Kaisha Toyoda Jidoshokki SeisakushoInventors: Masaki Ohta, Shinichi Suzuki, Kenji Takenaka