Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588801 | Chromium-free rust inhibitive treatment method for metal products having zinc surface and metal products treated thereby | Yasuhiko Endo, Shunjiro Watanabe, Shoichiro Adachi | 2009-09-15 |
| 6960247 | Chromium-free water reducible rust inhibitive paint for metals | Yasuhiko Endo, Tomio Sakai | 2005-11-01 |