Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336289 | Projection type display apparatus | Hidenori Ishikawa, Yoshiaki Kumagai, Shunichi Hashimoto, Akira Masutani | 2008-02-26 |
| 4846579 | Frequency-voltage converting circuit | Noriyuki Tomimatsu | 1989-07-11 |