Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684277 | Coordinate input apparatus | Masaki Tokioka, Atsushi Tanaka, Yuichiro Yoshimura, Ryozo Yanagisawa, Hajime Sato | 1997-11-04 |
| 5657459 | Data input pen-based information processing apparatus | Ryozo Yanagisawa, Kazutoshi Shimada, Eisaku Tatsumi, Atsushi Tanaka, Noriyuki Suzuki +5 more | 1997-08-12 |
| 5610838 | Coordinate input device for calculating a coordinate of an input position of an applied vibration | Masaki Tokioka, Atsushi Tanaka, Yuichiro Yoshimura, Ryozo Yanagisawa, Hajime Sato | 1997-03-11 |