Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458219 | Metal surface-treating method | Kenji Tsuge, Yutaka Kinose, Toru Hata, Eriko Okuno, Takahiro Nagayama | 2002-10-01 |
| 6421139 | Image forming apparatus for forming image on free-size sheet having arbitrary size | Hiroshi Takami, Junichi Kimizuka, Soya Endo, Tomohiro Nakamori | 2002-07-16 |
| 6391206 | Method for recovery of aqueous wash in phosphate chemical conversion and apparatus for metal surface treatment | Seiichiro Shirahata, Syoji Shiraishi, Naoki Tada, Toshiyuki Kawashima, Hideaki Morita +1 more | 2002-05-21 |