Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324451 | Lactic acid derivatives and liquid crystal compositions containing the same | Sadao Takehara, Tadao Shoji, Hiroshi Ogawa, Masashi Osawa | 1994-06-28 |
| 5304323 | Liquid crystal devices and process for producing the same | Yoshi Arai, Kiyohumi Takeuchi, Haruyoshi Takatsu, Koichiro Adachi, Hiroshi Ogawa +1 more | 1994-04-19 |