Tsuyoshi Takayama

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Tsuchiura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic control device for work machine
- Patent number 9,133,604
- Issue date Sep 15, 2015
- Hitachi Construction Machinery Co., Ltd.
- Katsuaki Kodaka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Crawler carrier having an engine, a hydraulic pump and a heat excha...
- Patent number 6,523,905
- Issue date Feb 25, 2003
- Hitachi Construction Machinery Co., Ltd.
- Seiji Tamura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tired Roller
- Patent number 6,105,707
- Issue date Aug 22, 2000
- Hitachi Construction Machinery Co., Ltd.
- Seiji Tamura
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic Control Device for Work Machine
- Publication number 20140367187
- Publication date Dec 18, 2014
- HITACHI CONSTRUCTION MACHINERY CO., LTD.
- Katsuaki Kodaka
- B60 - VEHICLES IN GENERAL
Information Patent Application
Crawler carrier
- Publication number 20020030397
- Publication date Mar 14, 2002
- Seiji Tamura
- B60 - VEHICLES IN GENERAL