Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466521 | Sensor function-equipped portable device | — | 2002-10-15 |
| 5753833 | Electronic watch having a water depth measuring function | — | 1998-05-19 |
| 5519671 | Electronic equipment with depth measuring function | Tomomi Murakami, Tatsuo Nitta, Hiroyuki Kihara | 1996-05-21 |
| 4879669 | Sensor signal processor | Hiroyuki Kihara | 1989-11-07 |
| 4668100 | Electronic equipment with geomagnetic direction sensor | Tomomi Murakami, Hiroyuki Kihara | 1987-05-26 |