Masakazu Washizuka

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heavy-duty tire
- Patent number 10,195,907
- Issue date Feb 5, 2019
- Sumitomo Rubber Industries, Ltd.
- Masakazu Washizuka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Heavy-duty tire
- Patent number 10,183,533
- Issue date Jan 22, 2019
- Sumitomo Rubber Industries, Ltd.
- Masakazu Washizuka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Heavy duty pneumatic tire
- Patent number 9,221,305
- Issue date Dec 29, 2015
- SUMITOMO RUBBER INDUSTRIES, LTD.
- Masakazu Washizuka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Heavy-duty tire having ground-contact surface shape
- Patent number 7,469,731
- Issue date Dec 30, 2008
- SUMITOMO RUBBER INDUSTRIES, LTD.
- Takeshi Kuroki
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HEAVY-DUTY TIRE
- Publication number 20160272010
- Publication date Sep 22, 2016
- SUMITOMO RUBBER INDUSTRIES, LTD.
- Masakazu WASHIZUKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
HEAVY-DUTY TIRE
- Publication number 20160159158
- Publication date Jun 9, 2016
- SUMITOMO RUBBER INDUSTRIES, LTD.
- Masakazu WASHIZUKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
HEAVY-DUTY PNEUMATIC TIRE
- Publication number 20150343848
- Publication date Dec 3, 2015
- Sumitomo Rubber Industries Ltd.
- Masakazu WASHIZUKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
HEAVY DUTY PNEUMATIC TIRE
- Publication number 20130180638
- Publication date Jul 18, 2013
- Sumitomo Rubber Industries, Ltd.
- Masakazu WASHIZUKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Heavy-duty tire
- Publication number 20050016656
- Publication date Jan 27, 2005
- Takeshi Kuroki
- B60 - VEHICLES IN GENERAL