Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825289 | Method for producing chemical reactive substance and polycarboxylic acid produced thereby | Toru Uno, Yoshiyuki Onda, Koichiro Nagare, Minoru Miyagawa | 2004-11-30 |
| 6795383 | Optical disk and apparatus and method of recording and reproducing data thereof | Tomoyuki Okada, Yasushi Uesaka, Kazuhiro Tsuga | 2004-09-21 |
| 6730414 | Chemically processed steel sheet excellent in corrosion resistance | Mitsuo Asabuki, Shigeyasu MORIKAWA, Shinya Furukawa, Hirofumi Taketsu | 2004-05-04 |
| 6727315 | Copolymer for cement admixtures and its production process and use | Toru Uno, Yoshiyuki Onda, Hiromichi Tanaka, Akihiko Yamashita, Tsuyoshi Hirata +1 more | 2004-04-27 |