Katsuaki Tomita

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sunshade roll screen
- Patent number 6,457,508
- Issue date Oct 1, 2002
- Sanwa Shutter Corporation
- Katsuaki Tomita
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS