Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351043 | Time detecting switch for an alarm clock | Masuo Ogihara, Nobuo Shinozaki | 1982-09-21 |
| 4304475 | Warning system for automatic focusing camera | Kiyoshi Kitai, Masuo Ogihara, Nobuo Shinozaki | 1981-12-08 |
| 4298972 | Alarm signaling time detecting device for leaf type digital clock | Masuo Ogihara, Nobuo Shinozaki, Yoichi Seki | 1981-11-03 |
| 4295215 | Second hand correction device for use in timepieces | Kiyoshi Kitai, Masuo Ogihara | 1981-10-13 |
| 4293938 | Alarm signaling time detecting device for digital clock | Masuo Ogihara, Nobuo Shinozaki, Yoichi Seki | 1981-10-06 |
| 4287586 | Signaling time detecting device for leaf type digital clock | Masuo Ogihara, Nobuo Shinozaki, Yoichi Seki | 1981-09-01 |
| 4270195 | Alarm setting indication device for digital clock | Masuo Ogihara, Nobuo Shinozaki, Yoichi Seki | 1981-05-26 |
| 4251878 | Switching device for battery powered alarm clock | Masuo Ogihara, Nobuo Shinozaki | 1981-02-17 |
| 4247931 | Slip mechanism for a timepiece | Masuo Ogihara, Nobuo Shinozaki | 1981-01-27 |
| 4214134 | Time detecting switch for alarm clock | Masuo Ogihara, Nobuo Shinozaki | 1980-07-22 |
| 4212155 | Time detecting switch for clock | Masuo Ogihara, Nobuo Shinozaki | 1980-07-15 |
| 4209969 | Alarm clock | Kiyoshi Kitai, Masuo Ogihara, Nobuo Shinozaki | 1980-07-01 |