Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407654 | Electromagnetic relay, apparatus and method for making it | Masao Saito, Naohiro Tanioka, Yoshiyuki Hosaka, Masaaki Sato | 2002-06-18 |
| 6179934 | Aqueous phosphating composition and process for metal surfaces | Masahiko Kawakami, Naoyuki Kobayashi | 2001-01-30 |
| 5259937 | Process for forming colorless chromate coating film on bright aluminum wheel | Norifumi Hatano, Akihiko Hasebe, Katsuya Yamamoto | 1993-11-09 |