Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4272839 | Electric timer | Kiyoshi Kitai | 1981-06-09 |
| 4270195 | Alarm setting indication device for digital clock | Masuo Ogihara, Kozo Chimura, Yoichi Seki | 1981-05-26 |
| 4251878 | Switching device for battery powered alarm clock | Masuo Ogihara, Kozo Chimura | 1981-02-17 |
| 4247931 | Slip mechanism for a timepiece | Masuo Ogihara, Kozo Chimura | 1981-01-27 |
| 4214134 | Time detecting switch for alarm clock | Masuo Ogihara, Kozo Chimura | 1980-07-22 |
| 4212155 | Time detecting switch for clock | Masuo Ogihara, Kozo Chimura | 1980-07-15 |
| 4209969 | Alarm clock | Kiyoshi Kitai, Masuo Ogihara, Kozo Chimura | 1980-07-01 |