Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886943 | Coordinates input apparatus | Noriyuki Suzuki, Atsushi Tanaka, Kiyoshi Kaneko, Yuichiro Yoshimura, Katsuyuki Kobayashi +1 more | 1989-12-12 |
| 4887245 | Coordinates input apparatus | Shigeki Mori, Katsuyuki Kobayashi, Kousuke Yamamoto | 1989-12-12 |
| 4853496 | Acoustic coordinate input device using a roughened surface to attenuate the surface wave component | — | 1989-08-01 |