Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691092 | Method for producing optical element | Masanobu Ninomiya, Ryojiro Akashi, Takashi Uematsu | 1997-11-25 |
| 5670083 | Optical element and process for producing the same | Ryojiro Akashi, Masanobu Ninomiya, Takashi Uematsu | 1997-09-23 |
| 5671211 | Data recording medium | Ryojiro Akashi, Masanobu Ninomiya, Takashi Uematsu | 1997-09-23 |
| 5654046 | Optical element | Masanobu Ninomiya, Ryojiro Akashi, Takashi Uematsu | 1997-08-05 |
| 5644416 | Light modulation device and method of light modulation using the same | Ryojiro Akashi | 1997-07-01 |
| 5618733 | Reagent for analyzing leucocytes | Takashi Sakata, Kinya Uchihashi, Tomomi HASHIMOTO | 1997-04-08 |
| 5613108 | Electronic mail processing system and electronic mail processing method | — | 1997-03-18 |