Tomoo Hayashi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Railroad car
- Patent number 12,091,062
- Issue date Sep 17, 2024
- Hitachi, Ltd.
- Misaki Kon
- B61 - RAILWAYS
Information Patent Grant
Method of grinding back surface of semiconductor wafer and semicond...
- Patent number 7,601,615
- Issue date Oct 13, 2009
- Tokyo Seimitsu Co., Ltd.
- Tomoo Hayashi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Railroad Car
- Publication number 20230159065
- Publication date May 25, 2023
- Hitachi, Ltd
- Misaki KON
- B61 - RAILWAYS
Information Patent Application
Method of grinding back surface of semiconductor wafer and semicond...
- Publication number 20070105343
- Publication date May 10, 2007
- Tomoo Hayashi
- B24 - GRINDING POLISHING