Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747755 | Code generation method, terminal apparatus, code processing method, issuing apparatus, and code issuing method | Akihiro Masukawa, Kenji Kasai, Shinji Fukunaga, Atsushi Inoue, Kosuke Ito +1 more | 2004-06-08 |
| 6631397 | Information registration method, information management method, information registration apparatus, information management apparatus, and storage medium | Akihiro Masukawa, Kenji Kasai, Shinji Fukunaga, Atsushi Inoue, Kosuke Ito +1 more | 2003-10-07 |
| 6558870 | Water-washable photosensitive flexo plate and printing plate | Keizo Kawahara, Yasuyuki Okazaki, Tohru Wada | 2003-05-06 |
| 4946752 | Flexographic cured printing plate comprising a chlorinated polymer and a hydrophilic polymer | Akira Tomita, Toshihiko Kajima, Keizo Kawahara | 1990-08-07 |