Hitoshi Akiyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rubber crawler running device
- Patent number 7,575,289
- Issue date Aug 18, 2009
- Bridgestone Corporation
- Shingo Sugihara
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Rubber crawler
- Patent number 7,077,485
- Issue date Jul 18, 2006
- Bridgestone Corporation
- Hitoshi Akiyama
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Tread Pattern Which Provides Improved Traction with Reduced Vibrati...
- Publication number 20080115869
- Publication date May 22, 2008
- Hitoshi Akiyama
- B60 - VEHICLES IN GENERAL
Information Patent Application
Rubber crawler running device
- Publication number 20050248214
- Publication date Nov 10, 2005
- Shingo Sugihara
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Rubber crawler
- Publication number 20040066090
- Publication date Apr 8, 2004
- Hitoshi Akiyama
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS