Yasutomo Yoshida

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Scale balancing device in universal parallel ruler device
- Patent number 4,601,107
- Issue date Jul 22, 1986
- Yasutomo Yoshida
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Scale balancing device in universal parallel ruler device
- Patent number 4,587,742
- Issue date May 13, 1986
- Mutoh Industry Ltd.
- Yasutomo Yoshida
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Scale balancing device in universal parallel ruler device
- Patent number 4,580,351
- Issue date Apr 8, 1986
- Yasutomo Yoshida
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Scale balancing device in universal parallel ruler device
- Patent number 4,578,872
- Issue date Apr 1, 1986
- Yasutomo Yoshida
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES