Shinichi Hirayama

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal gasket
- Patent number 11,326,695
- Issue date May 10, 2022
- Nippon Leakless Industry Co., Ltd.
- Kazuya Wada
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Metal gasket
- Patent number 9,284,913
- Issue date Mar 15, 2016
- Nippon Leakless Industry Co., Ltd.
- Shinichi Hirayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal gasket
- Patent number 9,121,489
- Issue date Sep 1, 2015
- Nippon Leakless Industry Co., Ltd.
- Osamu Tosa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal gasket for cylinder head
- Patent number 7,703,775
- Issue date Apr 27, 2010
- Nippon Leakless Industry Co., Ltd.
- Yoshitaka Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
METAL GASKET
- Publication number 20200003308
- Publication date Jan 2, 2020
- NIPPON LEAKLESS INDUSTRY CO., LTD.
- Kazuya WADA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METAL GASKET
- Publication number 20150252887
- Publication date Sep 10, 2015
- NIPPON LEAKLESS INDUSTRY CO., LTD
- Osamu Tosa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
METAL GASKET
- Publication number 20140097576
- Publication date Apr 10, 2014
- NIPPON LEAKLESS INDUSTRY CO., LTD
- Shinichi Hirayama
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Metal Gasket for Cylinder Head
- Publication number 20070290452
- Publication date Dec 20, 2007
- NIPPON LEAKLESS INDUSTRY CO., LTD
- Yoshitaka Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...