Shinji Ohata

Follow

Person

Hiroshima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Height adjustment system for rotating tools
- Patent number 7,189,152
- Issue date Mar 13, 2007
- Nao Enterprise, Inc.
- Shinji Ohata
- B24 - GRINDING POLISHING
Information Patent Grant
Spring force adapter for round blade for a grinder
- Patent number 7,186,172
- Issue date Mar 6, 2007
- Nao Enterprise, Inc.
- Shinji Ohata
- B24 - GRINDING POLISHING