Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480444 | Optical disk device | Koichi Tada, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-11-12 |
| 6477122 | Optical disk device | Koichi Tada, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-11-05 |
| 6466527 | Optical disk device | Koichi Tada, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-10-15 |
| 6459662 | Optical disk device | Koichi Tada, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-10-01 |
| 6370093 | Optical disc device | Koichi Tada, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-04-09 |
| 4986657 | Apparatus for analyzing particles using scattered and fluorescent light | — | 1991-01-22 |
| 4732479 | Particle analyzing apparatus | Masayuki Tanaka, Naoki Yuguchi, Akira Tago | 1988-03-22 |
| 4643566 | Particle analyzing apparatus | Yuji Ito | 1987-02-17 |