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Masakazu Hishinuma
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Gas meter system and heating value estimation method
Patent number
11,047,720
Issue date
Jun 29, 2021
TOKYO GAS CO., Ltd.
Masakazu Hishinuma
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Gas meter system and heating value derivation method
Patent number
10,655,068
Issue date
May 19, 2020
TOKYO GAS CO., Ltd.
Masakazu Hishinuma
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Heating value derivation device and heating value derivation method
Patent number
10,613,056
Issue date
Apr 7, 2020
Tokyo Gas Co., Ltd.
Yutaka Kunigo
G01 - MEASURING TESTING
Information
Patent Grant
Fuel electrode of solid oxide fuel cell and process for the product...
Patent number
6,790,474
Issue date
Sep 14, 2004
Tokyo Gas Co., Ltd.
Masakazu Hishinuma
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Air fuel ratio control apparatus for an internal combustion engine
Patent number
5,417,060
Issue date
May 23, 1995
Nippondenso Co., Ltd.
Kazumi Ishida
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for controlling the air-fuel ratio of a gas en...
Patent number
5,224,347
Issue date
Jul 6, 1993
Tokyo Gas Co., Ltd.
Hisataka Yakabe
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
GAS METER SYSTEM AND HEATING VALUE ESTIMATION METHOD
Publication number
20180128666
Publication date
May 10, 2018
TOKYO GAS CO., LTD.
Masakazu HISHINUMA
G01 - MEASURING TESTING
Information
Patent Application
GAS METER SYSTEM AND HEATING VALUE DERIVATION METHOD
Publication number
20180112872
Publication date
Apr 26, 2018
TOKYO GAS CO., Ltd.
Masakazu HISHINUMA
G01 - MEASURING TESTING
Information
Patent Application
HEATING VALUE DERIVATION DEVICE AND HEATING VALUE DERIVATION METHOD
Publication number
20180100831
Publication date
Apr 12, 2018
TOKYO GAS Co., Ltd.
Yutaka KUNIGO
G01 - MEASURING TESTING