Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5526023 | Pen input and output unit | Yuuji Sugimoto, Tadasahi Yanagi, Tatuyoshi Ikuta | 1996-06-11 |
| 5341152 | Input device for CAD | Ryuji Arai, Toru Eshita, Kaoru Niimi, Tatsuyoshi Ikuta, Tetsuya Iwanaga | 1994-08-23 |
| 5297254 | Input device for CAD | Ryuji Arai, Toru Eshita, Kaoru Niimi, Tatsuyoshi Ikuta, Tetsuya Iwanaga | 1994-03-22 |
| 5228124 | Coordinate reader | Ichiki Kaga, Tatsuyoshi Ikuta, Shuzo Matsumoto, Tetsuya Iwanaga | 1993-07-13 |