Tadashi Koyama

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Earth structure for filler pipe
- Patent number 12,115,923
- Issue date Oct 15, 2024
- Yachiyo Industry Co., Ltd.
- Takahiko Ono
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Filler pipe and method for manufacturing filler pipe
- Patent number 11,906,077
- Issue date Feb 20, 2024
- Yachiyo Industry Co., Ltd.
- Hiroshi Hanahara
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
EARTH STRUCTURE FOR FILLER PIPE
- Publication number 20240166151
- Publication date May 23, 2024
- YACHIYO INDUSTRY CO., LTD.
- Takahiko ONO
- B60 - VEHICLES IN GENERAL
Information Patent Application
FILLER PIPE AND METHOD FOR MANUFACTURING FILLER PIPE
- Publication number 20230392721
- Publication date Dec 7, 2023
- YACHIYO INDUSTRY CO., LTD.
- Hiroshi Hanahara
- B60 - VEHICLES IN GENERAL