Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163723 | Liquid crystalline compound and reterdation difference film using the same | Kouichi Tanaka, Kenichiro Yoshioka, Hideyoshi Fujisawa | 2007-01-16 |
| 5750299 | Method of forming colored image by use of inorganic toner, inorganic toner for developing latent electrostatic image, and colored toner image bearing image transfer medium | Kouchi Ohshima, Shinichi Kuramoto, Hiromitsu Kawase, Yoichiro Watanabe, Takamichi Enomoto +2 more | 1998-05-12 |
| 5706131 | Polarizing element, polarizing plate, and process for production thereof | Kunihiro Ichimura, Norio Ishizuki | 1998-01-06 |
| 4964898 | Dryer separater | — | 1990-10-23 |
| 4667021 | Chromium complex compound | Eiichi Ogawa | 1987-05-19 |