Yutaka Yamauchi

Follow

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Composition for polishing glass and polishing method
- Patent number 6,248,143
- Issue date Jun 19, 2001
- Showa Denko Kabushiki Kaisha
- Tomoyuki Masuda
- B24 - GRINDING POLISHING
Information Patent Grant
Coated particulate materials and method for manufacture thereof
- Patent number 4,678,710
- Issue date Jul 7, 1987
- Showa Denko K.K.
- Seiichiro Sakimoto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE