Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7570433 | Photoelectric encoder | Toshitaka Shimomura, Miyako Mizutani, Eric Altendorf, Joseph Daniel Tobiason | 2009-08-04 |
| 7435945 | Optical configuration for imaging-type optical encoders | Toshitaka Shimomura, Miyako Mizutani | 2008-10-14 |
| 7394550 | Displacement detector | Tomotaka Takahashi | 2008-07-01 |
| 7265338 | Photoelectric encoder using an incoherent semiconductor light source | Tetsuro Kiriyama, Toru Yaku | 2007-09-04 |
| 7186969 | Optical configuration for imaging-type optical encoders | Toshitaka Shimomura, Miyako Mizutani, Eric Altendorf, Joseph Daniel Tobiason | 2007-03-06 |
| 6635863 | Optical encoder | Seiji Sakagami, Toru Yaku | 2003-10-21 |