Takashi Wagatsuma

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Double pipe and method for manufacturing same
- Patent number 11,629,800
- Issue date Apr 18, 2023
- Yutaka Giken Co., Ltd.
- Koji Yamamoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Assembly for fitting together exhaust pipes in multi-cylinder engine
- Patent number 7,731,241
- Issue date Jun 8, 2010
- Yutaka Giken Co., Ltd.
- Toshihide Aoki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE PIPE AND METHOD FOR MANUFACTURING SAME
- Publication number 20220057023
- Publication date Feb 24, 2022
- YUTAKA GIKEN CO., LTD.
- Koji Yamamoto
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DOUBLE PIPE
- Publication number 20210102652
- Publication date Apr 8, 2021
- YUTAKA GIKEN CO., LTD.
- Koji Yamamoto
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
HEAT EXCHANGER AND HEAT EXCHANGE DEVICE
- Publication number 20150027666
- Publication date Jan 29, 2015
- YUTAKA GIKEN CO., LTD.
- Toru HISANAGA
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
ASSEMBLY FOR FITTING TOGETHER EXHAUST PIPES IN MULTI-CYLINDER ENGINE
- Publication number 20090000286
- Publication date Jan 1, 2009
- YUTAKA GIKEN CO., LTD.
- Toshihide Aoki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...