Tatsuhiro Nakagawa

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cap with air passage for a writing instrument
- Patent number 5,427,464
- Issue date Jun 27, 1995
- Ohto Kabushiki Kaisha
- Tatsuhiro Nakagawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES