Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278680 | Projection type liquid crystal display system and method of polarized light component projection | Johji Karasawa | 1994-01-11 |
| 5200843 | Polarized synthesization in projection type liquid crystal displays | Johji Karasawa | 1993-04-06 |