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Ryoichi Shirai
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Okazaki, JP
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last 30 patents
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Patent Grant
Oil reservoir device for an automatic transmission
Patent number
5,050,447
Issue date
Sep 24, 1991
Aisin AW Co., Ltd.
Youichi Hayakawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Oil channel structure for automatic transmission
Patent number
4,971,185
Issue date
Nov 20, 1990
Aisin AW Co. Ltd.
Youichi Hayakawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Oil strainer for an automatic transmission
Patent number
4,889,621
Issue date
Dec 26, 1989
Aisin AW Co., Ltd.
Yoshihiro Yamada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Internal-gear pump with partition plate having a chamfered edge
Patent number
4,645,441
Issue date
Feb 24, 1987
Aisin-Warner Limited
Ryoichi Shirai
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...