Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337167 | Bis(aminostyryl)benzene compounds and synthetic intermediates thereof, and process for preparing the compounds and intermediates | Mari Ichimura, Tadashi Ishibashi, Ichinori Takada | 2002-01-08 |
| 6319581 | Optical recording medium | — | 2001-11-20 |
| 6312838 | Organic electroluminescent device | Tadashi Ishibashi, Mari Ichimura | 2001-11-06 |
| 5204215 | Wavelength multiplexed optical recording material | Noriyuki Kishii, Nobutoshi Asai, Koichi Kawasumi, Jenetsu Seto | 1993-04-20 |
| 5153099 | Wavelength multiplexed optical recording material | Noriyuki Kishii, Nobutoshi Asai, Koichi Kawasumi, Junetsu Seto | 1992-10-06 |
| 5079135 | Optical recording medium | Nobuyuki Matsuzawa, Nobutoshi Asai, Noriyuki Kishii, Seiichi Arakawa | 1992-01-07 |
| 4693962 | Photochromic photosensitive compositions | Junetsu Seto | 1987-09-15 |