Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35044 | Cyanine compounds | Masayuki Utsunomiya, Shigeo Fujita, Toshiyuki Nozawa | 1995-09-26 |
| 5087704 | Cyanine compounds | Osamu Manabe, Shigeo Fujita, Shizuo Iwata | 1992-02-11 |
| 5055589 | Indolenine derivative | Osamu Manabe, Shigeo Fujita, Shizuo Iwata | 1991-10-08 |
| 5008401 | Cyanine compounds | Masayuki Utsunomiya, Shigeo Fujita, Toshiyuki Nozawa | 1991-04-16 |
| 4322214 | Dyeing method | Osamu Manabe, Masayasu Utsunomiya, Michiaki Tsutsui, Masayuki Matsumoto | 1982-03-30 |