Keisuke TANAKA

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Niihama-shi, Ehime, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production method of ϵ-caprolactam
- Patent number 10,457,636
- Issue date Oct 29, 2019
- Sumitomo Chemical Company, Limited
- Kazuaki Yoshimura
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLISHING PAD AND METHOD FOR MANUFACTURING POLISHING PAD
- Publication number 20230415300
- Publication date Dec 28, 2023
- FUJIBO HOLDINGS, INC.
- Teppei TATENO
- B24 - GRINDING POLISHING
Information Patent Application
PRODUCTION METHOD OF EPSILON-CAPROLACTAM
- Publication number 20190241513
- Publication date Aug 8, 2019
- Sumitomo Chemical Company, Limited
- Kazuaki YOSHIMURA
- C07 - ORGANIC CHEMISTRY