Hirozumi Sasa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary damper
- Patent number 6,390,255
- Issue date May 21, 2002
- Tok Bearing Co., Ltd.
- Takeaki Kobori
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Damper device
- Patent number 6,213,881
- Issue date Apr 10, 2001
- Tok Bearing Co., Ltd.
- Hirozumi Sasa
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Rotary damper
- Patent number 6,121,526
- Issue date Sep 19, 2000
- Tok Bearing Co., Ltd.
- Takeaki Kobori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotary damper with self-standing mechanism
- Patent number 5,875,874
- Issue date Mar 2, 1999
- Tok Bearing Co., Ltd.
- Harunori Okabe
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Rotary damper with self-standing mechanism
- Patent number 5,769,188
- Issue date Jun 23, 1998
- Tok Bearing Co., Ltd.
- Harunori Okabe
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Rotary damper
- Publication number 20020007993
- Publication date Jan 24, 2002
- TOK BEARING CO., LTD
- Takeaki Kobori
- B60 - VEHICLES IN GENERAL