Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834509 | Liquid crystal optical device and process for its production and method for its operation | Tomoki Gunjima, Hiroshi Kumai, Kaoriko Masuda | 1989-05-30 |
| 4818070 | Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production | Tomoki Gunjima, Hiroshi Kumai, Minoru Akatsuka | 1989-04-04 |