Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6298014 | Time information management system | Hiroyuki Kihara, Tomomi Murakami, Masahiro Sase | 2001-10-02 |
| 5966344 | Watch containing light transmitting metallic dial | Masami Fukuda, Kenji Shimoda, Yasuo Kitajima, Isamu Kobayashi, Yoshio Katsuki +1 more | 1999-10-12 |
| 5703837 | Watch with light transmitting type display plate | Masami Fukuda, Kenji Shimoda, Yasuo Kitajima, Isamu Kobayashi, Yurie Udou | 1997-12-30 |
| 5331608 | Electronic watch with an antenna for a receiving device | Toshio Hiruta, Kunikazu Mochida | 1994-07-19 |
| 5224059 | Device for measuring altitude and barometric pressure | Tatsuo Nitta, Hiroyuki Kihara | 1993-06-29 |
| 4783772 | Wristwatch with pressure sensor | Toshio Hiruta, Hideo Uehara, Masato Yamada, Kunikazu Mochida | 1988-11-08 |
| 4251604 | Battery assembly for electronic timepieces | — | 1981-02-17 |
| 4232512 | Solid state watch module construction | Kenichi Yoshikawa, Makoto Koshikawa, Tetsuo Satoh, Singo Ichikawa, Yoshiaki Kato | 1980-11-11 |