Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7075691 | Complex lens for a tandem scanning optical system and a manufacturing method thereof | Daisuke Koreeda | 2006-07-11 |
| 6906824 | Tandem type printer scanning optical system having diffraction lens structure | Daisuke Koreeda | 2005-06-14 |
| 6790389 | Complex lens for a tandem scanning optical system and a manufacturing method thereof | Daisuke Koreeda | 2004-09-14 |
| 6560034 | Beam shaping optical system | Koichi Maruyama | 2003-05-06 |
| 6342964 | Scanning optical system | — | 2002-01-29 |
| 6282031 | Beam shaping optical system | Koichi Maruyama | 2001-08-28 |
| 6275318 | Linear imaging lens element for a scanning optical system | Daisuke Koreeda | 2001-08-14 |
| 6259547 | Scanning optical system | — | 2001-07-10 |
| 6222661 | Scanning optical system | Shuichi Takeuchi | 2001-04-24 |
| 6212022 | Beam shaping optical system | — | 2001-04-03 |
| 6201626 | Scanning optical system | — | 2001-03-13 |
| 6185027 | Monitoring optical system for scanning optical device | — | 2001-02-06 |
| 6178029 | Multi-beam scanning optical device | — | 2001-01-23 |
| 6128119 | Beam shaping optical system | — | 2000-10-03 |
| 6124962 | Scanning optical system | — | 2000-09-26 |
| 6115164 | Scanning optical system | — | 2000-09-05 |
| 6038089 | Beam shaping optical system | Koichi Maruyama | 2000-03-14 |
| 5903379 | Scanning optical system | — | 1999-05-11 |
| 5861978 | Scanning optical system using parallel plate to eliminate ghost images | — | 1999-01-19 |
| 5838496 | Diffractive multi-focal objective lens | Koichi Maruyama | 1998-11-17 |
| 5633852 | Optical data recording and reproducing apparatus including chromatic aberration correction | Koichi Maruyama | 1997-05-27 |