Toshiro Oyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic tire with tread having protrusions on bottom of grooves
- Patent number 8,109,307
- Issue date Feb 7, 2012
- The Yokohama Rubber Co., Ltd.
- Toshiro Oyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic tire with tread having grooves including protrusions conn...
- Patent number 7,703,491
- Issue date Apr 27, 2010
- The Yokohama Rubber Co., Ltd.
- Toshiro Oyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic tire with tread including blocks having approximately equ...
- Patent number 7,404,423
- Issue date Jul 29, 2008
- The Yokohama Rubber Co., Ltd.
- Takayuki Suzuki
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Automobile tire tread
- Patent number D507520
- Issue date Jul 19, 2005
- The Yokohama Rubber Co., Ltd.
- Toshiro Oyama
- D12 - Transportation
Information Patent Grant
Pneumatic tire with sidewall having concave portion adjacent convex...
- Patent number 6,832,638
- Issue date Dec 21, 2004
- The Yokohama Rubber Co., Ltd.
- Toshiro Oyama
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Pneumatic Tire
- Publication number 20080149242
- Publication date Jun 26, 2008
- Toshiro Oyama
- B60 - VEHICLES IN GENERAL
Information Patent Application
Pneumatic tire
- Publication number 20070062626
- Publication date Mar 22, 2007
- THE YOKOHAMA RUBBER CO., LTD.
- Toshiro Oyama
- B60 - VEHICLES IN GENERAL
Information Patent Application
Pneumatic tire
- Publication number 20060081317
- Publication date Apr 20, 2006
- THE YOKOHAMA RUBBER CO., LTD.
- Takayuki Suzuki
- B60 - VEHICLES IN GENERAL
Information Patent Application
Pneumatic tire
- Publication number 20020074071
- Publication date Jun 20, 2002
- THE YOKOHAMA RUBBER CO., LTD.
- Toshiro Oyama
- B60 - VEHICLES IN GENERAL