Patents by Inventor Noriaki Takahashi
Noriaki Takahashi 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).
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Patent number: 6261227Abstract: An air feeding device for an endoscope system in which air is compressed in a sealed space and discharged from an outlet of a tube connected to the sealed space which is provided with a pressure sensor that detects a pressure of the air in the sealed space, and a pressure adjusting system that adjusts the pressure of air in the sealed space and a pressure setting device through which an operator is capable of setting a discharge pressure. A memory storing a relationship between a discharge pressure and a pressure in the sealed space is further provided. A pressure controller is also provided, which controls the pressure adjusting system in accordance with the air pressure detected by the pressure sensor and the pressure value set by the pressure setting device.Type: GrantFiled: November 10, 1999Date of Patent: July 17, 2001Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Noriaki Takahashi, Satoshi Takami
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Patent number: 6246432Abstract: An endoscope system comprises plural video processor devices for an endoscope prepared for every video endoscope, a video signal switching device connected to each of the video processor devices for an endoscope, and a monitor connected to the video signal switching device. The video signal switching device comprises two video signal input terminals respectively connected to the video processor devices, a flip flop for generating an alternative switching signal in accordance with the rotational position of a switching dial, two switches of which one ends respectively connected to the video signal input terminals and which opens and closes in accordance with the switching signal generated from this flip flop, and a video signal output terminal connected to the other ends of these two switches.Type: GrantFiled: May 27, 1998Date of Patent: June 12, 2001Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Satoshi Takami, Noriaki Takahashi, Kohei Iketani
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Patent number: 6190819Abstract: The present invention is directed to an electrostatic image-developing toner which is used for an electronograph and the like. The toner comprises at least core particles and fine particles being present on the surfaces of the core particles and has a mean particle size of 0.01-1 &mgr;m. The fine particles are polymer of a monomer and contain charge-controlling agent which is soluble in the monomer before polymerization.Type: GrantFiled: May 12, 1998Date of Patent: February 20, 2001Assignee: Mitsubishi Chemical CorporationInventors: Noriaki Takahashi, Osamu Ando
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Patent number: 6030739Abstract: An electrostatic image developing toner containing a polysiloxane having the following repeating units (a) and ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl group such as a methyl group or a C.sub.6 -C.sub.12 aryl group such as a phenyl group, which may be different from each other, and R.sup.2 is a C.sub.6 -C.sub.200 saturated hydrocarbon group, provided that the carbon number of R.sup.2 is larger than the carbon number of R.sup.1.Type: GrantFiled: March 2, 1999Date of Patent: February 29, 2000Assignee: Mitsubishi Chemical CorporationInventors: Tomoko Ishikawa, Noriaki Takahashi, Takayuki Kanai
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Patent number: 5941125Abstract: A first shifting control device is located at a first position on the bicycle, and a second shifting control device is located at a second position on the bicycle. The first shifting control device includes a first shifting lever for causing the first shifting control device to pull and release a first transmission element, and the second shifting control device includes a second shifting lever for causing the second shifting control device to pull and release a second transmission element. An interlocking mechanism interlocks the first shifting lever and the second shifting lever so that movement of either the first shifting lever or the second shifting lever causes the bicycle shifting control apparatus to shift the bicycle transmission.Type: GrantFiled: December 19, 1997Date of Patent: August 24, 1999Assignee: Shimano, Inc.Inventors: Etsuyoshi Watarai, Kenji Ose, Noriaki Takahashi
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Patent number: 5905668Abstract: A CAM device has an HIT flag cell and a word select separation circuit, with data being stored in a plurality of CAM cells. The HIT flag cell then stores whether or not data stored in the CAM and inputted words (data) coincide. The word select separation circuit the detects the lowest address values corresponding to words within coinciding words and then sequentially resets HIT flag cells storing the coinciding of words.Type: GrantFiled: October 29, 1997Date of Patent: May 18, 1999Assignee: Oki Electric Industry Co., Ltd.Inventors: Noriaki Takahashi, Hideaki Odagiri, Koji Takeshita, Yuji Uyama
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Patent number: 5853939Abstract: The present invention relates to a toner for electrostatic image development comprising:a lubricant having a DSC determined endothermic peak at 50.degree.-130.degree. C., with the half value width of said endothermic peak being not more than 15.degree. C., and represented by the formula (I): ##STR1## wherein R.sup.1 represents an alkyl or alkoxyl group having 10 or more carbon atoms, and R.sup.2 represents an alkyl group having 10 or more carbon atoms or a group represented by --X--COOR.sup.3 wherein X represents an alkylene group and R.sup.3 represents an alkyl group having 10 or more carbon atoms;a binder resin comprising a styrene-based resin in which tetrahydrofuran soluble matter has the weight-average molecular weight of not less than 50,000, and has one or more peaks of molecular weight in the range of not more than 5.times.10.sup.4 and the range of 1.times.10.sup.5 to 1.times.10.sup.7 respectively, on the gel permeation chromatogram; anda coloring agent.Type: GrantFiled: July 19, 1996Date of Patent: December 29, 1998Assignee: Mitsubishi Chemical CorporationInventors: Akihiko Yanagibori, Hitoshi Ono, Noriaki Takahashi
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Patent number: 5838431Abstract: The laser marking device comprises a laser source, an optical system for projecting a laser beam emitted from the laser source to form a laser spot on an object, a light distributing element that is disposed in an optical path of the optical system and includes at least one light distributing portion that distributes a part of the laser beam to form at least one static reference line on the object so that the laser spot is formed on the static reference line, a rotating mechanism that rotates at least a part of the optical system to form a dynamic reference on the object, and a switch for selecting between a rotation mode in which the rotating mechanism is activated and a stationary mode in which said rotating mechanism is not activated.Type: GrantFiled: January 14, 1997Date of Patent: November 17, 1998Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Masato Hara, Satoshi Takami, Teruo Sakai, Noriaki Takahashi, Eiichi Ito
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Patent number: 5721084Abstract: A charge controlling agent for electrostatic image development, which is a metallic compound of a compound of the formula (I): ##STR1## wherein each of A and R is a substituted or unsubstituted aromatic ring residue, and --O and --CONH--R are bonded to positions adjacent to each other on the aromatic ring residue A, or the formula (II): ##STR2## wherein each of A.sup.1, A.sup.2, R.sup.1 and R.sup.2 is a substituted or unsubstituted aromatic ring residue, n is an integer, and --O and --CONHR.sup.1, and --O and --CONH--R.sup.2, are bonded to positions adjacent to each other on the aromatic ring residues A.sup.1 and A.sup.2, respectively.Type: GrantFiled: December 3, 1996Date of Patent: February 24, 1998Assignee: Mitsubishi Chemical CorporationInventors: Hitoshi Ono, Noriaki Takahashi, Osamu Ando, Masako Takeuchi
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Patent number: 5629124Abstract: A charge controlling agent for electrostatic image development, which is a compound of the formula (I):Ar.sub.1 --(X--Ar.sub.2).sub.n (I)wherein each of Ar.sub.1 and Ar.sub.2 is a substituted or unsubstituted aromatic ring residue, X is a member selected from the group consisting of --CONH--, --NHCO--, --SO.sub.2 NH-- and --NHSO.sub.2 --, and n is an integer of at least 2, provided that a plurality of Ar.sub.2, or a plurality of X, are the same or different groups from one another, and toner and charge-imparting material employing the charge controlling agent.Type: GrantFiled: January 29, 1996Date of Patent: May 13, 1997Assignee: Mitsubishi Chemical CorporationInventors: Hitoshi Ono, Noriaki Takahashi, Osamu Ando, Masako Takeuchi
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Patent number: 5545502Abstract: An electrostatic image-developing toner comprising at least a resin and a colorant, which further contains at least one compound of the following formula (I): ##STR1## wherein R.sub.1 is a C.sub.1-24 substituted or unsubstituted alkyl group or a substituted or unsubstituted aralkyl group, each of R.sub.2, R.sub.3 and R.sub.4 is a C.sub.2-24 substituted or unsubstituted alkyl group or a substituted or unsubstituted aralkyl group, and A is an aromatic ring residue which may have substituents.Type: GrantFiled: May 9, 1995Date of Patent: August 13, 1996Assignee: Mitsubishi Chemical CorporationInventors: Hitoshi Ono, Noriaki Takahashi, Osamu Ando, Masako Takeuchi, Hirofumi Oda
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Patent number: 5480362Abstract: A double planetary carrier is constructed by providing separate carriers for carrying therein two sets of planet gears which are axially set apart from each other, and by connecting the two carriers together. A cylindrical portion is formed on a periphery of a side plate of one of the carriers to receive therein a side plate of the other carrier. Serrated teeth are formed respectively on a periphery of the side plate and on the cylindrical portion to connect the two carriers by means of serrations. The serrated teeth are formed so as to have a play therebetween. Between the side plates there are formed radially extending oil grooves to introduce lubricating oil into oil holes which are formed in gear shafts of the planet gears.Type: GrantFiled: August 24, 1993Date of Patent: January 2, 1996Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Haruo Tanaka, Noriaki Takahashi, Tetsuo Suzuki
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Patent number: 5292614Abstract: A negative photosensitive composition comprising an alkali-soluble resin, a photo-acid-generating material and a crosslinking agent for the alkali-soluble resin, which acts under an acidic condition, wherein the crosslinking agent is a compound of the following formula (I): ##STR1## wherein each of A.sup.1 to A.sup.10 which are independent of one another, is a hydrogen atom, --CH.sub.2 OH or --CH.sub.2 OR, wherein R is C.sub.1 -C.sub.4 linear or branched chain alkyl, and X is C.sub.2 -C.sub.10 linear or branched chain alkylene, provided that at least four among A.sup.1 to A.sup.10 are --CH.sub.2 OR, and a plurality of --CH.sub.2 OR may be the same or different.Type: GrantFiled: July 27, 1992Date of Patent: March 8, 1994Assignee: Mitsubishi Kasei CorporationInventors: Tameichi Ochiai, Noriaki Takahashi, Tomoyo Ishiguro
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Patent number: 5286600Abstract: A negative photosensitive composition comprising (a-1) a compound having at least two organic groups of the following formula (I):--OCH.sub.2 OR.sup.1 (I)wherein R.sup.1 is an alkyl group, in its molecule and an alkali-soluble resin, or (a-2) an alkali-soluble resin having at least two organic groups of the above formula (I) in its molecule, and (b) a photo-acid-generating material.Type: GrantFiled: August 10, 1992Date of Patent: February 15, 1994Assignee: Mitsubishi Kasei CorporationInventors: Tameichi Ochiai, Noriaki Takahashi, Yasuhiro Kameyama
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Patent number: 5091067Abstract: An apparatus and a method of machining optical components such as lens is disclosed. The apparatus comprises an optical raw stock or material, a rotatable holding shaft for holding the optical raw stock, a machining tool having a machining surface thereof held by a rotatable machining shaft and arranged opposite to a surface to be machined of the optical raw stock, an electrically conductive tool as the machining tool, an electrode arranged at a certain distance from the machining surface of the conductive tool, an electrolytic power supply source for applying a positive voltage to the conductive tool and a negative voltage therefrom to the electrode, respectively, and a coolant supplying unit having a nozzle and for spraying weakly conductive coolant between the conductive tool and the electrode, thereby performing the machining of the optical raw stock or material.Type: GrantFiled: July 26, 1990Date of Patent: February 25, 1992Assignee: Olympus Optical Company LimitedInventors: Kazuo Ushiyama, Masaki Watanabe, Keiji Uchiyama, Hisayuki Takei, Noriaki Takahashi, Akimi Matsuzawa, Kiyoshi Ooshiro, Hajime Tamura
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Patent number: 4994703Abstract: A piezoelectric element of laminate type comprising a plurality of films or thin sheets of piezoelectric material of the same size, each having an internal electrode formed on its entire surface, said films or sheets being laminated so that the end face of each internal electrode is exposed at the side of the laminate, wherein an insulating layer is formed by a photosensitive composition to electrically connect every second internal electrode.Type: GrantFiled: July 7, 1989Date of Patent: February 19, 1991Assignee: Mitsubishi Kasei CorporationInventors: Yasuo Oguri, Noriaki Takahashi, Yukio Chida
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Patent number: 4985470Abstract: A photopolymerizable composition which comprises an addition-polymerizable compound having at least one ethylenically unsaturated double bond and a photopolymerization initiator system, characterized in that said photopolymerization initiator system essentially consists of:(a) a p-dialkylaminostyrene derivative or p-dialkylaminophenylbutadiene derivative represented by the general formula ##STR1## wherein R.sup.1 and R.sup.2 independently represent an alkyl group; Y represents a divalent atom or atomic group selected from the group consisting of --O--, --S-- and --CH.dbd.Type: GrantFiled: June 30, 1986Date of Patent: January 15, 1991Assignee: Mitsubishi Kasei CorporationInventors: Hideki Nagasaka, Noriaki Takahashi
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Patent number: 4920037Abstract: Disclosed herein is a photopolymerizable composition containing at least (A) a high-molecular compound with a weight-average molecular weight of not less than 10,000 having a polymerizable double bond in the side chain, and (B) a polymerizable monomer represented by the following formula (I): ##STR1## (wherein R.sup.1, R.sup.2 and R.sup.3 represent hydrogen atom, ##STR2## and two or more of them are not hydrogen atom at the same time).Type: GrantFiled: September 13, 1989Date of Patent: April 24, 1990Assignee: Mitsubishi Kasei CorporationInventors: Noriaki Takahashi, Noriko Watanabe
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Patent number: 4863835Abstract: A developer composition for a lithographic printing plate provided with a coated layer composed of a photosensitive polymer having in the main chain thereof groups of formula (I) ##STR1## wherein X and Y independently represent hydrogen, halogen, cyano or nitro and n is an integer of 1 or 2, comprising:(A) benzyl alcohol,(B) tetrahydrofurfuryl alcohol and(C) at least one acid selected from the group consisting of a mineral acid, an organic carboxylic acid and an organic sulfonic acid.Type: GrantFiled: November 8, 1982Date of Patent: September 5, 1989Assignee: Mitsubishi Chemical Industries LimitedInventors: Shigeki Shimizu, Akinobu Oshima, Hiroshi Ide, Noriaki Takahashi
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Patent number: 4828936Abstract: An aluminum alloy sheet as a fin material for tubes of a heat exchanger, excellent in high-temperature sagging resistance and sacrificial anode property and having a high room-temperature strength, which consists essentially of:Manganese: from 0.95 to 1.50 wt. %,silicon: from 0.5 to 1.2 wt. %,zinc: from 0.1 to 2.0 wt. %,at least one element selected from the group consisting of:copper: from 0.05 to 0.60 wt. %, andmagnesium: from 0.05 to 0.60 wt. %, where, the total amount of said copper and said magnesium being up to 1.0 wt. %, andthe balance being aluminum and incidental impurities.the above-mentioned aluminum alloy sheet may further additionally contain at least one element selected from the group consisting of:chromium: from 0.03 to 0.30 wt. %, andzirconium: from 0.03 to 0.15 wt. % where, the total amount of said chromium and said zirconium being up to 0.4 wt. %.Type: GrantFiled: June 9, 1987Date of Patent: May 9, 1989Assignee: Mitsubishi Aluminum Kabushiki KaishaInventors: Ken Toma, Masami Asano, Noriaki Takahashi, Shoji Takeuchi, Yo Takeuchi