Masahiro Shinkawa

Follow

Person

Kitakyushu-shi, JP

People

Patents Applicationslast 30 patents

Information Patent Application
Drainage device for siphon action toilet
- Publication number 20030213055
- Publication date Nov 20, 2003
- TOTO LTD.
- Toshifumi Yoneda
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Siphon action toilet
- Publication number 20030204902
- Publication date Nov 6, 2003
- Toshifumi Yoneda
- E03 - WATER SUPPLY SEWERAGE