Patents by Inventor Hiromichi Ishikawa
Hiromichi Ishikawa 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: 12126097Abstract: To provide a novel antenna, wireless communication module, and wireless communication device excellent in long-term reliability. The antenna includes a first conductor, a second conductor facing the first conductor in a first direction, a third conductor, a fourth conductor, a power supply line configured to be electromagnetically connected to the third conductor, and a reinforcing member including a dielectric material. The third conductor extends along the first direction, is located between the first conductor and the second conductor, and is configured to capacitively connect the first conductor and the second conductor. The fourth conductor extends along the first direction and is configured to be electrically connected to the first conductor and the second conductor. The reinforcing member is located on at least a portion of any of the first conductor and the second conductor.Type: GrantFiled: December 21, 2020Date of Patent: October 22, 2024Assignee: KYOCERA CORPORATIONInventors: Hiromichi Yoshikawa, Satoshi Ishikawa
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Patent number: 6645179Abstract: An injection syringe generally comprised of a multichambered cylindrical ampule, a tripartite case of a front case; a middle case; a rear case, and a needle-holder, and a plunger: the multichambered cylindrical ampule including two chambers of a front space and a rear space, the front space being sealed forwardly with a packing penetrable by a needle and sealed rearwardly with a movable front gasket, and the rear space being sealed forwardly with the front gasket and sealed rearwardly with a movable rear gasket, and the ampule also including a bypass route longitudinally arranged on inner surface of the ampule such that the front gasket is located to take a position rearwardly apart from the bypass route before dissolution of a solid medicine, wherein the front space for admission of the solid medicine is separated from the rear space for admission of a medicinal solvent or dispersing agent; the middle case also including a short thread or fixer means provided externally at midportion thereof, and the rear caType: GrantFiled: July 6, 2000Date of Patent: November 11, 2003Assignee: Nihon Chemical Research Co., Ltd.Inventors: Hiromichi Ishikawa, Shinichi Koni
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Patent number: 6319225Abstract: An injection syringe including a device for preparation of an injection in situ, useful to the injection which is liable to suffer chemical changes if left for a long time in the state of solution or dispersion ready to inject. The injection syringe is portable by a patient who may prepare a necessary injection in situ with the use of a device included in the syringe which will automatically perform an injection with a prescribed dosage. The injection syringe includes a device for preparation of an injection, whereby mechanical impacts affecting the medicine and consequently, chemical changes with a medicine would be minimized during the step of dissolving the medicine. The syringe as noted is especially useful for preparation of injection and injection of human growth hormones, interferon and various polypeptides which are of an environmentally sensitive nature and liable to suffer chemical changes if left for a long time in the state of solution or dispersion.Type: GrantFiled: March 12, 1999Date of Patent: November 20, 2001Assignee: Nihon Chemical Research Co., Ltd.Inventors: Koichi Sugita, Sei Kirihara, Hiromichi Ishikawa, Yutaka Igarashi
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Patent number: 5985924Abstract: The present invention provides novel metastasis suppressory agents with a lowered degree of toxicity, comprising ursolic acid or its salt as an active ingredient, which can be administered to patients per os or through injection, thus enabling the patients to receive post-operative ambulatory treatment.Type: GrantFiled: November 15, 1996Date of Patent: November 16, 1999Assignee: JCR Pharmaceuticals Co., Ltd.Inventors: Hiromichi Ishikawa, Tomoko Watanabe, Satoshi Nishimuro, Mitsuru Hirota
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Patent number: 5948752Abstract: According to the present invention, there are provided suppressory agents against hypercoagulation which comprise as an effective ingredient protein C inhibitor with a molecular weight of 54 to 57 kDa (DS-PAGE) being capable of suppressing function of the blood coagulation system.Type: GrantFiled: August 11, 1998Date of Patent: September 7, 1999Assignee: JCR Pharmaceuticals Co., Ltd.Inventors: Mitsugu Fujita, Yoshikazu Komurasaki, Keihide Koh, Hiromichi Ishikawa
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Patent number: 5781743Abstract: In a distributed application program system which includes a data transmission line, a plurality of server systems connected to the data transmission line and each including at least one application program for executing data processing by running the program, and a client system connected to the data transmission line and including at least one application program for executing data processing by running the application program, a method of controlling the distributed application program system is performed. The method includes the steps of preparing a library for storing system specifications of the individual systems in association with one of the plural server systems which is to serve as a master server system, and deciding whether or not a table provided in association with the client system already contains system specifications of the server system to which data processing is to be entrusted.Type: GrantFiled: February 17, 1995Date of Patent: July 14, 1998Assignee: Hitachi, Ltd.Inventors: Hideki Matsuno, Kazuhiro Katayama, Hiromichi Ishikawa
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Patent number: 5688818Abstract: Provision of a succinamic acid compound of the formula (1) ##STR1## wherein R.sup.1 is an alkyl or a lower alkenyl and R.sup.2 is an optionally esterified carboxyl, a pharmaceutically acceptable salt thereof, an agent for the prophylaxis and/or treatment of the complications of diabetes, comprising, as an active ingredient, the succinamic acid compound or a pharmaceutically acceptable salt thereof, an aldose reductase inhibitor comprising, as an active ingredient, the succinamic acid compound or a pharmaceutically acceptable salt thereof, and a method for producing the succinamic acid compound or a pharmaceutically acceptable salt thereof. The novel succinamic acid compounds of the formula (1) of the present invention and pharmaceutically acceptable salts thereof have a strong aldose reductase activity-inhibitory in mammals such as human, and show superior safety.Type: GrantFiled: March 14, 1996Date of Patent: November 18, 1997Assignees: Senju Pharmaceutical Co., Ltd., The Green Cross CorporationInventors: Hiroshi Hosono, Toshiyuki Nishio, Hiromichi Ishikawa, Yoshiyuki Nakamura, Tetsuo Matsui
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Patent number: 5677300Abstract: A pyridothiazineacetic acid compound of the formula (I) ##STR1## wherein each symbol is as defined in the specification, a pharmaceutically acceptable salt thereof, production thereof, and a pharmaceutical composition, an aldose reductase inhibitor and a preparation for the prevention and treatment of the complications of diabetes, containing the same.The pyridothiazineacetic acid compound and a pharmaceutically acceptable salt thereof of the present invention have an aldose reductase inhibitory action and are superior in safety. Accordingly, they are useful as a preparation for the prevention and treatment of the complications of diabetes, such as faulty union of corneal injury, cataract, neurosis, retinopathy and nephropathy, particularly, cataract and neurosis. In addition, the production method of the present invention enables efficient production of said pyridothiazineacetic acid compound.Type: GrantFiled: September 3, 1996Date of Patent: October 14, 1997Assignees: The Green Cross Corporation, Senji Pharmaceutical Co., Ltd.Inventors: Hiroshi Hosono, Tomoji Aotsuka, Yoshiyuki Nakamura, Tetsuo Matsui, Hiromichi Ishikawa
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Patent number: 5635505Abstract: A 1,4-benzoxazine-2-acetic acid compound of the formula (I) ##STR1## wherein each symbol is as defined in the specification, a pharmaceutically acceptable salt thereof, a method for production thereof, and a pharmaceutical composition, an aldose reductase inhibitor and an agent for the prevention and/or treatment of the complications of diabetes, which contain the same. The compound (I) of the present invention and pharmaceutically acceptable salts thereof have aldose reductase inhibitory action and are superior in safety. Accordingly, they are useful as an agent for the prevention and/or treatment of the complications of diabetes such as faulty union of corneal injury, cataract, neurosis, retinopathy and nephropathy, in particular, cataract and neurosis.Type: GrantFiled: July 3, 1996Date of Patent: June 3, 1997Assignees: Senju Pharmaceutical Co., Ltd., The Green Cross CorporationInventors: Takahiro Kumonaka, Takema Hase, Tomoji Aotsuka, Toshio Kurihara, Yoshiyuki Nakamura, Tetsuo Matsui, Hiromichi Ishikawa, Fujio Kobayashi
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Patent number: 5572724Abstract: In a distributed system having a plurality of interconnected computer systems each having an application program, a process manager which determines the need for a communication process, determines an identifier of a destination system and a protocol and issues a communication process request in response to a process request for database access from the application program, and a virtual communication user for determining an application context in response to the communication process request from the process manager are provided, and a communication path a protocol machine establishes for the virtual communication user. A plurality of virtual communication users for managing the communication process are provided and each virtual communication user manages a plurality of protocol machines so that a plurality of protocols and application programs are simultaneously used for a plurality of destination systems from one application program.Type: GrantFiled: October 12, 1993Date of Patent: November 5, 1996Assignees: Hitachi, Ltd., Hitachi Seibu Software Co., Ltd.Inventors: Tetsuya Watanabe, Hiromichi Ishikawa, Masaaki Hatano
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Patent number: 5543420Abstract: A quinoline-3-acetic acid derivative of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are the same or different and each is a hydrogen atom or a halogen atom, R.sup.4 is a hydrogen atom, a halogen atom or a substituted or unsubstituted lower alkyl, R.sup.5 is an optionally esterified carboxyl and the broken line means an optional presence of a double bond, and a pharmaceutically acceptable salt thereof. The novel compound of the formula (I) and a pharmaceutically acceptable salt thereof of the present invention have an aldose reductase inhibitory activity in mammals inclusive of human and are highly safe. Accordingly, they are useful as pharmaceutical compositions for the treatment of the complications of diabetes, such as faulty union of corneal injury, cataract, neurosis, retinopathy and nephropathy, particularly cataract and neurosis.Type: GrantFiled: November 1, 1994Date of Patent: August 6, 1996Assignees: The Green Cross Corporation, Senju Pharmaceutical Co., Ltd.Inventors: Tomoji Aotsuka, Toshiyuki Nishio, Hiroshi Hosono, Yoshiyuki Nakamura, Tetsuo Matsui, Hiromichi Ishikawa
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Patent number: 5532257Abstract: Production of a benzothiazole compound of the formula (I) ##STR1## wherein R.sup.1 is a halogen atom, R.sup.2 and R.sup.3 may be the same or different and each is a hydrogen atom or a halogen atom, R.sup.4 is a hydrogen atom, a halogen atom, a lower alkyl, an alkoxy or an alkyl mercapto and R.sup.5 is a hydrogen atom or a lower alkyl, or a pharmaceutically acceptable salt thereof.The compound of the formula (I) and a pharmaceutically acceptable salt thereof of the present invention have an aldose reductase inhibitory activity in mammals inclusive of human and have superior safety. Accordingly, they are useful as pharmaceutical compositions for the treatment of the complications of diabetes, such as faulty union of corneal injury, cataract, neurosis, retinopathy and nephropathy, particularly cataract and neurosis.Type: GrantFiled: November 25, 1994Date of Patent: July 2, 1996Assignees: Senju Pharmaceutical Co., Ltd, The Green Cross CorporationInventors: Takema Hase, Takahiro Kumonaka, Chikako Shimizu, Hiroshi Hosono, Tomoji Aotsuka, Yoshiyuki Nakamura, Tetsuo Matsui, Hiromichi Ishikawa
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Patent number: 5116838Abstract: There are disclosed novel 1,3-dibenzyl (or diphenethyl)-2-phenylguanidine derivatives. The guanidines possess high control effects on mildew, blight, powdery mildew and rust which are serious diseases of fruit trees, vegetables or cereals, and are useful as agricultural and horticultural fungicides.Type: GrantFiled: November 15, 1990Date of Patent: May 26, 1992Assignee: Hokko Chemical Industry Co., Ltd.Inventors: Hiromichi Ishikawa, Takashi Umeda, Shinji Onoue, Kazuo Kajikawa, Toshihiro Shibata, Hiroshi Ohyama
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Patent number: 5046002Abstract: A distributed data base access request processing system in a distributed data base system including a computer system having a data base and a plurality of computer system effecting an update or a reference to the data base. A client side requesting a data base access issues a request for a synchronous processing to a server side if the data base access is related to a reference operation; whereas an asynchronous processing is requested if the data base access is associated with an update operation. On receiving such a request of a synchronous processing, the server side returns a response to the client side after the requested data base processing is completed. If an asynchronous processing is requested, the response is returned to the client side without waiting for the completion of the requested data base processing.Type: GrantFiled: April 26, 1990Date of Patent: September 3, 1991Assignee: Hitachi, Ltd.Inventors: Rinichi Takashi, Hiromichi Ishikawa
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Patent number: 4838715Abstract: An ink ribbon cassette for supplying ink from an ink-impregnated material to an ink ribbon in which the ink-impregnated material is loaded directly in the cassette body without an ink tank, and in which leakage of ink caused, for instance, by vibration or sudden temperature change, is positively prevented. The ribbon cassette includes a cassette body having a container formed as an integral part thereof and a cover fixedly secured to the cassette body. The container accommodating the ink-impregnated material is formed in such a manner that a space is formed between the ink-impregnated material and the cover, and an ink pool having a capillary action is formed on the inner surface of an outer peripheral wall defining the container.Type: GrantFiled: February 24, 1988Date of Patent: June 13, 1989Assignee: Pilot Man-Nen Hitsu Kabushiki KaishaInventor: Hiromichi Ishikawa
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Patent number: 4547524Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as herein defined useful as insecticides, is described.Type: GrantFiled: February 14, 1983Date of Patent: October 15, 1985Assignee: Hokko Chemical Industry Co., Ltd.Inventors: Kimiyoshi Kaneko, Hiromichi Ishikawa, Satoru Moriyama, Tsugio Uchiyama
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Patent number: 4443439Abstract: New phenylthionophosphonic acid O,O-di-esters of the general formula: ##STR1## wherein R.sub.1 denotes a lower alkyl group; R.sub.2 denotes a hydrogen atom, a lower alkyl group or an unsaturated lower alkyl group; and R.sub.3 denotes a lower alkyl group or an unsaturated lower alkyl group are provided, which have high insecticidal, miticidal and nematocidal activities and are useful as pesticidal agents to be applied to insect, acarine and/or nematode pests.Type: GrantFiled: August 27, 1982Date of Patent: April 17, 1984Assignee: Hokko Chemical Industry Co., Ltd.Inventors: Hiromichi Ishikawa, Kazuhiko Kitaori, Satoru Moriyama, Tadashi Chono, Tsugio Uchiyama
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Patent number: 4421750Abstract: New organophosphoric acid ester anhydride derivatives, more particularly new thiopyrophosphoric acid P,P,P'-trialkylester-P'-dialkylamide of the formula ##STR1## wherein R.sub.1 is an alkyl group of 3 to 6 carbon atoms and R.sub.2, R.sub.3 and R.sub.4 may be the same or different from each other and each are an alkyl group of 1 to 6 carbon atoms are now provided. These new organophosphoric acid ester anhydride derivatives have high insecticidal, miticidal and nematocidal activities and are useful as an insecticidal, miticidal and nematocidal agent.Type: GrantFiled: March 2, 1982Date of Patent: December 20, 1983Assignee: Hokko Chemical Industry Co., Ltd.Inventors: Hiromichi Ishikawa, Kazuhiko Kitaori, Kimiyoshi Kaneko, Satoru Moriyama, Takashi Kobayashi, Tsugio Uchiyama
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Patent number: 4420486Abstract: Certain new 5,6,7-trichlorobenzoxazolone derivatives are highly active against a wide range of plant fungal and bacterial diseases and have a reduced phytotoxicity. These derivatives are also useful to control the growth of various fungi and bacteria being capable of deteriorating industrial materials.Type: GrantFiled: January 22, 1981Date of Patent: December 13, 1983Assignee: Hokko Chemical Industry Co., Ltd.Inventors: Hiroshi Ohyama, Kimiyoshi Kaneko, Hiromichi Ishikawa, Sanae Takada, Ken Morita, Takuo Wada, Masahiko Miyahara, Masazumi Arakawa