Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43924 | Display device with a transparent optical filter | Takayuki Sawai, Teturo Ueno, Shigeyoshi Inuyama, Kojyu Nagasaki | 2013-01-15 |
| RE41833 | Display device with a transparent optical filter | Takayuki Sawai, Teturo Ueno, Shigeyoshi Inuyama, Kojyu Nagasaki | 2010-10-19 |
| 6020945 | Display device with a transparent optical filter | Takayuki Sawai, Teturo Ueno, Shigeyoshi Inuyama, Kojyu Nagasaki | 2000-02-01 |
| 5117100 | Apparatus for and method of optical position detection | Shigeo Yoshida, Isamu Fujimoto, Hideyuki Suzuki, Hiroshi Asano, Toru Hosaka +3 more | 1992-05-26 |