Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8623503 | Chromium-free rust-inhibitive surface treatment agent for metal parts with zinc surfaces and metal parts with zinc surfaces coated with rust-inhibitive surface coated film | Yasuhiko Endo, Shunjiro Watanabe, Shoichiro Adachi, Yukiyasu Kang | 2014-01-07 |
| 8367201 | Chromium-free rust-inhibitive surface treatment agent for metal parts with zinc surfaces and metal parts with zinc surfaces coated with rust-inhibitive surface coated film | Yasuhiko Endo, Shunjiro Watanabe, Shoichiro Adachi, Yukiyasu Kang | 2013-02-05 |
| 6200537 | Fuel-reforming sheet and method of manufacture thereof | Takashi Watanabe | 2001-03-13 |
| 6001157 | Additive for antifouling paint | — | 1999-12-14 |