Tetsuya Koseki

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rammer
- Patent number 11,332,894
- Issue date May 17, 2022
- Sakai Heavy Industries, Ltd.
- Tetsuya Koseki
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Rammer
- Patent number 11,274,403
- Issue date Mar 15, 2022
- Sakai Heavy Industries, Ltd.
- Tetsuya Koseki
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hand guided vibrating roller
- Patent number 6,409,425
- Issue date Jun 25, 2002
- Sakai Heavy Industries, Ltd.
- Mikio Okabe
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
RAMMER
- Publication number 20210040700
- Publication date Feb 11, 2021
- Sakai Heavy Industries, Ltd.
- Tetsuya KOSEKI
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
RAMMER
- Publication number 20210032818
- Publication date Feb 4, 2021
- SAKAl HEAVY INDUSTRIES, LTD.
- Tetsuya KOSEKI
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL