Haruo KAMEI

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive material
- Patent number 10,213,900
- Issue date Feb 26, 2019
- KAMEI TEKKOUSHO LTD.
- Haruo Kamei
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive grain jet grinding device
- Patent number 9,902,041
- Issue date Feb 27, 2018
- KAMEI TEKKOUSHO LTD.
- Haruo Kamei
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
ABRASIVE MATERIAL
- Publication number 20170246725
- Publication date Aug 31, 2017
- KAMEI TEKKOUSHO LTD.
- Haruo KAMEI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ABRASIVE GRAIN JET GRINDING DEVICE
- Publication number 20160016288
- Publication date Jan 21, 2016
- KAMEI TEKKOUSHO LTD
- Haruo KAMEI
- B24 - GRINDING POLISHING