Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7417778 | Light deflector, light deflection array, image forming apparatus, and image projection display apparatus | Seiichi Katoh, Koichi Ohtaka | 2008-08-26 |
| 7345823 | Optical system, color information displaying method, optical deflecting device, and image projection displaying apparatus | Akihiro Yamakage, Masaaki Ishiyama, Seiichi Katoh, Koichi Ohtaka | 2008-03-18 |
| 7167290 | Optical deflection device | Seiichi Katoh, Koichi Ohtaka | 2007-01-23 |
| 5811353 | Semiconductor device and manufacturing method thereof | — | 1998-09-22 |
| 5668413 | Semiconductor device including via hole | — | 1997-09-16 |
| 5408113 | High sensitivity improved photoelectric imaging device with a high signal to noise ratio | Tohru Kanno, Yasuyuki Shindoh, Noriyuki Terao, Atsuhiro Ohizumi, Yutaka Maita | 1995-04-18 |