Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691092 | Method for producing optical element | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1997-11-25 |
| 5679414 | Liquid crystal-polymer composite film, electro-optical element using the same, and process for producing electro-optical element | Ryojiro Akashi | 1997-10-21 |
| 5670083 | Optical element and process for producing the same | Ryojiro Akashi, Takashi Uematsu, Takashi Morikawa | 1997-09-23 |
| 5671211 | Data recording medium | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1997-09-23 |
| 5654046 | Optical element | Ryojiro Akashi, Takashi Morikawa, Takashi Uematsu | 1997-08-05 |