Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813768 | Liquid crystal device having an oblique evaporation film which is protected by a protective layer | Shigeki Hamaguchi, Yasuhiro Otsuka, Yasunori Taga, Tadayoshi Itoh | 1989-03-21 |