Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750928 | Multi-color display device | Naoki Hiji, Shigeru Yamamoto, Takehito Hikichi | 2004-06-15 |
| 6744418 | Cholesteric liquid crystal display | Naoki Hiji, Shigeru Yamamoto, Takehito Hikichi | 2004-06-01 |