Patents by Inventor Hirotada Yamada
Hirotada Yamada 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: 12036697Abstract: A method for producing a ceramic formed body comprises: a wet mixing step of adding a liquid containing water to ceramic raw material mixed powder and subjecting it to wet mixing in a continuous mixer; and an extrusion molding step of feeding the wet mixed powder obtained in the wet mixing step to an extruder by a belt feeder and extruding the wet mixed powder. In the method for producing the ceramic formed body, an amount of the wet mixed powder fed to the extruder is adjusted based on an amount of mass change of the wet mixed powder stored in a reservoir provided between the continuous mixer and the belt feeder.Type: GrantFiled: January 9, 2020Date of Patent: July 16, 2024Assignee: NGK INSULATORS, LTD.Inventors: Hirotada Nakamura, Takuya Yamada
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Patent number: 10309678Abstract: An air conditioning system includes an air conditioner run by electric power, a storage battery, a demand receiver, an air-conditioning controller and a control selector. The storage battery charges electric power and supplies stored electric power to the air conditioner. The demand receiver receives a demand pertaining to a power consumption of the air conditioner during a predetermined period. The air-conditioning controller performs air-conditioning restriction control, which is preset when there is a need to restrict operation of the air conditioner in order to satisfy the demand, even when electric power is supplied from the storage battery to the air conditioner in the predetermined period. The control selector enables selection of the air-conditioning restriction control from among a plurality of control patterns.Type: GrantFiled: November 5, 2015Date of Patent: June 4, 2019Assignee: Daikin Industries, Ltd.Inventors: Ryohei Hinokuma, Hirotada Yamada, Yoshiyuki Uemura
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Patent number: 9982904Abstract: An air conditioning system includes an electrically run air conditioner with a compressor, a storage battery that charges and supplies electric power, a demand receiver, an air-conditioning controller, and a charging controller controlling charging of the storage battery. The demand receiver receives a demand pertaining to a power consumption of the air conditioner during a predetermined period. The air-conditioning controller stores operation-associated information pertaining to operation of the air conditioner and controls the air conditioner. The air-conditioning controller causes the air conditioner to perform precooling and/or reduce the power consumption of the air conditioner in the predetermined period based on the demand and an amount of charge of the storage battery.Type: GrantFiled: November 5, 2015Date of Patent: May 29, 2018Assignee: Daikin Industries, Ltd.Inventors: Ryohei Hinokuma, Hirotada Yamada, Yoshiyuki Uemura
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Publication number: 20160131379Abstract: An air conditioning system includes an air conditioner run by electric power, a storage battery, a demand receiver, an air-conditioning controller and a control selector. The storage battery charges electric power and supplies stored electric power to the air conditioner. The demand receiver receives a demand pertaining to a power consumption of the air conditioner during a predetermined period. The air-conditioning controller performs air-conditioning restriction control, which is preset when there is a need to restrict operation of the air conditioner in order to satisfy the demand, even when electric power is supplied from the storage battery to the air conditioner in the predetermined period. The control selector enables selection of the air-conditioning restriction control from among a plurality of control patterns.Type: ApplicationFiled: November 5, 2015Publication date: May 12, 2016Inventors: Ryohei HINOKUMA, Hirotada YAMADA, Yoshiyuki UEMURA
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Publication number: 20160131378Abstract: An air conditioning system includes an electrically run air conditioner with a compressor, a storage battery that charges and supplies electric power, a demand receiver, an air-conditioning controller, and a charging controller controlling charging of the storage battery. The demand receiver receives a demand pertaining to a power consumption of the air conditioner during a predetermined period. The air-conditioning controller stores operation-associated information pertaining to operation of the air conditioner and controls the air conditioner. The air-conditioning controller causes the air conditioner to perform precooling and/or reduce the power consumption of the air conditioner in the predetermined period based on the demand and an amount of charge of the storage battery.Type: ApplicationFiled: November 5, 2015Publication date: May 12, 2016Inventors: Ryohei HINOKUMA, Hirotada YAMADA, Yoshiyuki UEMURA
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Patent number: 6109244Abstract: A fuel injection control apparatus which infers fuel temperature from cooling water temperature and intake air temperature. From these inferred temperatures, a correction coefficient of the air-fuel ratio is found from the inferred fuel temperature and the intake manifold pressure by using data stored in a map. The map is set up so that a characteristic thereof shows that, the higher the inferred temperature of fuel, the larger the correction coefficient of the air-fuel ratio and, thus, the longer the fuel injection time. Subsequently, an ineffective injection time TV is corrected in accordance with the inferred fuel temperature. A fuel injection time TI is then computed from a basic injection time TP, a representative correction coefficient Ftotal representing all correction coefficients including the correction coefficient of the air-fuel ratio, and the ineffective injection time TV.Type: GrantFiled: November 3, 1998Date of Patent: August 29, 2000Assignee: Denso CorporationInventors: Kenji Yamamoto, Hirotada Yamada
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Patent number: 5447139Abstract: The present invention relates to a fuel supplying device for an internal combustion engine having multiple cylinder.The present invention comprises a plurality of fuel injection valves, a fuel pipe through which fuel flows, and a plurality of holder means on the fuel pipe so that the fuel from the fuel pipe is supplied to the holder means. The holder means accommodates the fuel injection valve so that the fuel is supplied to the fuel injection valve, and a start timing of the fuel supplied from the fuel pipe to at least one of the holder means is different from the start timing of the fuel supplied from the fuel pipe to the remaining holder means.Type: GrantFiled: December 13, 1993Date of Patent: September 5, 1995Assignee: Nippondenso Co., Ltd.Inventors: Masao Yonekawa, Hirotada Yamada, Mitsunori Takao, Ryo Nagasaka
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Patent number: 5285759Abstract: A fuel system of an internal combustion engine comprises a fuel tank for storing fuel, a fuel injection valve disposed on the internal combustion engine, a fuel supply pipeline connecting between the fuel tank and the fuel injection valve, a fuel pump for supplying the fuel in the fuel tank to the fuel injection valve through the fuel supply pipeline, a fuel injection pressure regulator for regulating the fuel injection pressure of the fuel injection valve to a predetermined pressure, a fuel return pipeline through which surplus fuel from the fuel injection pressure regulator is returned into the fuel tank, and a pressure increasing device disposed in the fuel return pipeline and serving to increase the pressure in the fuel return pipeline above the pressure in the fuel tank while maintaining fuel pressure regulating function of the fuel injection pressure regulator.Type: GrantFiled: November 30, 1992Date of Patent: February 15, 1994Assignee: Nippondenso Co., Ltd.Inventors: Takehiko Terada, Hirotada Yamada, Masao Yonekawa
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Patent number: 5273015Abstract: The present invention comprises a plurality of fuel injection valves, a fuel pipe through which fuel flows, and a plurality of holder means on the fuel pipe so that the fuel from the fuel pipe is supplied to the holder means. The holder means accommodates the fuel injection valve so that the fuel is supplied to the fuel injection valve, and a start timing of the fuel supplied from the tuel pipe to at least one of the holder means is different from the start timing of the fuel supplied from the fuel pipe to the remaining holder means.Type: GrantFiled: January 23, 1992Date of Patent: December 28, 1993Assignee: Nippondenso Co., Ltd.Inventors: Masao Yonekawa, Hirotada Yamada, Mitsunori Takao, Ryo Nagasaka
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Patent number: 5095876Abstract: The present invention relates to a fuel supplying device for an internal combustion engine having multiple cylinder. The present invention comprises a plurality of fuel injection valves, a fuel pipe through which fuel flows, and a plurality of holder means on the fuel pipe so that the fuel from the fuel pipe is supplied to the holder means. The holder means accommodates the fuel injection valve so that the fuel is supplied to the fuel injection valve, and a start timing of the fuel supplied from the fuel pipe to at least one of the holder means is different from the start timing of the fuel supplied from the fuel pipe to the remaining holder means.Type: GrantFiled: September 27, 1990Date of Patent: March 17, 1992Assignee: Nippondenso Co., Ltd.Inventors: Masao Yonekawa, Hirotada Yamada, Mitsunori Takao, Ryo Nagasaka
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Patent number: 4827897Abstract: In a fuel pump driving apparatus for a vehicle engine including a fuel injection system, the selection of a plurality of energizing circuits each formed by the combination of two or all of three brushes of a fuel pump drive motor is effected in accordance with the load conditions of the engine, thereby changing the rotational speed of the motor and hence the fuel quantity delivered from the fuel pump. When the occurrence of a fault in one of the energizing circuits is detected, the driver is informed of the occurrence of the fault and in addition a faulty-condition controller controls switching means in such a manner that the drive motor is energized through another one of the energizing circuits.Type: GrantFiled: September 16, 1987Date of Patent: May 9, 1989Assignee: Nippondenso Co., Ltd.Inventors: Hirotada Yamada, Yoshifumi Ina, Toshio Kondo, Katsushi Kato
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Patent number: 4761409Abstract: A cephem derivative represented by the general formula ##STR1## wherein R.sup.1 represents hydrogen or methyl, R.sup.2 represents carboxyl or esterified carboxyl, and n represents 0 or 1, or a pharmaceutically acceptable salt thereof; intermediates for the cephem derivative or salt thereof; processes for producing these compounds; and a pharmaceutical composition and method for preventing or treating bacterial infectious diseases, wherein the cephem derivative or the salt thereof is used.Type: GrantFiled: August 5, 1985Date of Patent: August 2, 1988Assignee: Sumitomo Pharmaceuticals Company, LimitedInventors: Hirotada Yamada, Naruhito Masai, Shinji Ueda, Takao Okuda, Masuhiro Kato, Masatomo Fukasawa, Masataka Fukumura
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Patent number: 4705784Abstract: A cephem compound represent by the general formula ##STR1## wherein, R.sup.1 represents hydrogen or lower alkyl, R.sup.2 and R.sup.3 are the same or different and each represents hydrogen or lower alkyl, R.sup.4 represents carboxyl or esterified carboxyl, and n represents 0 or 1, a salt of the cephem compound, and a process for producing the cephem compound or a salt thereof. Compounds of the above formula and salts thereof are valuable as antibacterial agents and are especially useful as oral drugs in the prevention or treatment of bacterial infectious diseases.Type: GrantFiled: December 17, 1984Date of Patent: November 10, 1987Assignee: Sumitomo Pharmaceuticals Company, LimitedInventors: Hirotada Yamada, Naruhito Masai, Sinji Ueda, Takao Okuda, Masatomo Fukasawa, Masuhiro Kato, Masataka Fukumura
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Patent number: 4390535Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or a (C.sub.1 -C.sub.4) alkyl group, X is a straight or branched chain C.sub.1 -C.sub.4 alkylene group and R.sub.2 is a carboxyl group or a sulfo group; and the pharmaceutically acceptable salts thereof exhibit strong inhibitory activities against a wide variety of Gram-positive and Gram-negative bacteria including Psendomonas aeruginosa, indolepositive Proteus and Enterobacter aerogenes, and also have an increased and prolonged serum level in a living body. The compounds are therefore useful as antibacterial agents for the treatment of infectious diseases caused by Gram-positive and Gram-negative bacteria.Type: GrantFiled: March 5, 1981Date of Patent: June 28, 1983Assignee: Sumitomo Chemical Company, Ltd.Inventors: Hirotada Yamada, Kiyokazu Jimpo, Takao Okuda, Hiroshi Noguchi, Hisao Tobiki
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Patent number: 4368198Abstract: A compound of the formula (I): ##STR1## wherein A is a monocyclic or polycyclic heteroaromatic ring containing at least one nitrogen atom as a hetero atom, which may be unsubstituted or substituted with one or more substituents;R is a phenyl group which can be unsubstituted or substituted or a thienyl group;T is (1) a --CH.sub.2 --S--Het group, where Het is a tetrazolopyridazine ring, a triazolopyridazine ring, or a triazolopyridine ring, (2) a ##STR2## group wherein R.sub.1 and R.sub.2, which may be the same or different, each is a hydrogen atom or a (C.sub.1 -C.sub.4)alkyl group, (3) a --CH.sub.2 N.sub.3 group or (4) is --CH.sub.2 S--D group in which D is a group selected from the group consisting of ##STR3## where m and n each is 0 to 3: with the proviso that (a) when the HO--A-- moiety is a ##STR4## group where b represents the non-metallic atoms necessary to complete a pyridine ring, a pyrimidine ring or a pyrazole ring, each of which may be unsubstituted or substituted, then T is the --CH.sub.Type: GrantFiled: March 7, 1979Date of Patent: January 11, 1983Assignee: Sumitomo Chemical Company LimitedInventors: Hirotada Yamada, Takenari Nakagome, Toshiaki Komatsu
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Patent number: 4302454Abstract: A compound of the formula (I): ##STR1## wherein A is a monocyclic or polycyclic heteroaromatic ring containing at least one nitrogen atom as a hetero atom, which may be unsubstituted or substituted with one or more substituents;R is a phenyl group which can be unsubstituted or substituted or a thienyl group;T is (1) a --CH.sub.2 --S--Het group, where Het is a tetrazolopyridazine ring, a triazolopyridazine ring, or a triazolopyridine ring, (2) a ##STR2## group where R.sub.1 and R.sub.2, which may be the same or different, each is a hydrogen atom or a (C.sub.1 -C.sub.4) alkyl group, (3) a --CH.sub.2 N.sub.3 group or (4) a --CH.sub.2 S--D group in which D is a group selected from the group consisting of ##STR3## where m and n each is 0 to 3: with the proviso that (a) when the HO--A-- moiety is a ##STR4## group where B represents the non-metallic atoms necessary to complete a pyridine ring, a pyrimidine ring or a pyrazole ring, each of which may be unsubstituted or substituted, then T is the --CH.sub.Type: GrantFiled: December 19, 1979Date of Patent: November 24, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Hirotada Yamada, Takenari Nakagome, Toshiaki Komatsu
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Patent number: 4226863Abstract: A cephalosporin of the formula (I): ##STR1## wherein A is a mono- or polycyclic heteroaromatic ring containing at least one nitrogen atom as a hetero atom, which may be unsubstituted or substituted; R is a phenyl group which may be unsubstituted or substituted, a thienyl group, a furyl group, a cyclohexadienyl group or a cyclohexenyl group; X is an acetoxy group, a pyridinium group which may be unsubstituted or substituted with a methyl or carbamoyl group, a group of the formula: ##STR2## in which R.sub.1 and R.sub.2, which may be the same or different, each is a hydrogen atom or a (C.sub.1 -C.sub.Type: GrantFiled: August 25, 1978Date of Patent: October 7, 1980Assignee: Sumitomo Chemical Company, LimitedInventors: Hirotada Yamada, Takenari Nakagome, Toshiaki Komatsu
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Patent number: 4165373Abstract: A compound of the formula (I): ##STR1## wherein A is a monocyclic or polycyclic heteroaromatic ring containing at least one nitrogen atom as a hetero atom, which may be unsubstituted or substituted with one or more substituents;R is a phenyl group which can be unsubstituted or substituted or a thienyl group;T is (1) a -CH.sub.2 -S-Het group, where Het is a tetrazolopyridazine ring, a triazolopyridazine ring, or a triazolopyridine ring, (2) ##STR2## WHERE R.sub.1 and R.sub.2, which may be the same or different, each is a hydrogen atom or a (C.sub.1 -C.sub.4)alkyl group, (3) a -CH.sub.2 N.sub.3 group or (4) a --CH.sub.2 S--D group in which D is a group selected from the group consisting of ##STR3## where m and n each is 0 to 3; with the proviso that (A) WHEN T is the --CH.sub.Type: GrantFiled: March 2, 1977Date of Patent: August 21, 1979Assignee: Sumitomo Chemical Company, LimitedInventors: Hirotada Yamada, Takenari Nakagome, Toshiaki Komatsu
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Patent number: 4160087Abstract: A cephalosporin derivative of the formula (I), ##STR1## wherein A is a mono- or polycyclic heteroaromatic ring, which contains at least one nitrogen atom as a hetero atom and which may be substituted with one or more substituents; R is a phenyl group substituted with at least one substituent selected from the group consisting of an amino group, a hydroxy group, a ureido group and a hydroxymethyl group; and X is an --OCOCH.sub.Type: GrantFiled: May 10, 1977Date of Patent: July 3, 1979Assignee: Sumitomo Chemical Company, LimitedInventors: Hirotada Yamada, Kousaku Okamura, Hisao Tobiki, Norihiko Tanno, Kozo Shimago, Takenari Nakagome, Toshiaki Komatsu, Akio Izawa, Hiroshi Noguchi, Kenji Irie, Yasuko Eda
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Patent number: 4156724Abstract: A cephalosporin derivative of the formula (I), ##STR1## wherein A is a mono- or polycyclic heteroaromatic ring, which contains at least one nitrogen atom as a hetero atom and which may be substituted with one or more substituents; R is a phenyl group substituted with at least one substituent selected from the group consisting of an amino group, a hydroxy group, a ureido group and a hydroxymethyl group; and X is an --OCOCH.sub.Type: GrantFiled: September 8, 1975Date of Patent: May 29, 1979Assignee: Sumitomo Chemical Company, LimitedInventors: Hirotada Yamada, Kousaku Okamura, Hisao Tobiki, Norihiko Tanno, Kozo Shimago, Takenari Nakagome, Toshiaki Komatsu, Akio Izawa, Hiroshi Noguchi, Kenji Irie, Yasuko Eda