PUBLIC WORKS RESEARCH INSTITUTE, MINISTRY OF CONSTRUCTION, A CORP. OF JAPAN

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KAWASAKI-SHI, JP

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Patents Grantslast 30 patents

Information Patent Grant
Collision in right/left turn prevention system
- Patent number 6,459,991
- Issue date Oct 1, 2002
- Public Works Research Institute, Ministry of Construction
- Akihiko Takiguchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Road marker magnetizing method
- Patent number 6,378,772
- Issue date Apr 30, 2002
- Public Works Research Institute
- Ryugen Yonemura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Bumping prevention system
- Patent number 6,360,171
- Issue date Mar 19, 2002
- Public Works Research Institute, Ministry of Construction
- Kazumasa Miyamoto
- G08 - SIGNALLING
Information Patent Grant
Collision with pedestrian prevention system
- Patent number 6,337,637
- Issue date Jan 8, 2002
- Public Works Research Institute, Ministry of Construction
- Koji Kubota
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Road information communicating system
- Patent number 6,317,682
- Issue date Nov 13, 2001
- Public Works Research Institute
- Toshihiko Ogura
- G08 - SIGNALLING
Information Patent Grant
Vehicle communication system dynamically allocating channels and a...
- Patent number 6,246,955
- Issue date Jun 12, 2001
- Public Works Research Institute
- Kumiko Nishikawa
- G08 - SIGNALLING
Information Patent Grant
Variable damper for bridges and bridge
- Patent number 5,349,712
- Issue date Sep 27, 1994
- Public Works Research Institute, Ministry of Construction
- Kazuhiko Kawashima
- E04 - BUILDING
Information Patent Grant
Toxic substance-detecting system with fixed microorganism membrane...
- Patent number 5,160,604
- Issue date Nov 3, 1992
- Fuji Electric Co., Ltd.
- Eiichi Nakamura
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Anaerobic digestion method
- Patent number 4,985,149
- Issue date Jan 15, 1991
- Public Works Research Institute, Ministry of Construction
- Yoshio Ohshima
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

PUBLIC WORKS RESEARCH INSTITUTE, MINISTRY OF CONSTRUCTION, A CORP. OF JAPAN

Organization

Patents Grantslast 30 patents

Collision in right/left turn prevention system

Road marker magnetizing method

Bumping prevention system

Collision with pedestrian prevention system

Road information communicating system

Vehicle communication system dynamically allocating channels and a...

Variable damper for bridges and bridge

Toxic substance-detecting system with fixed microorganism membrane...

Anaerobic digestion method

Patents Applicationslast 30 patents

Trademarklast 30 trademarks