Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7016264 | Light emission and display devices and electronic apparatus using the display device | Masato Ueno, Tadao Hirano, Shyuichi Machida | 2006-03-21 |
| 4853909 | Time correction mechanism for an analog timepiece using plastic gears for transmitting the rotation of the manual operation member to the hands | Masaru Shoji | 1989-08-01 |
| 4785434 | Slip structure of a timepiece | Masaru Shoji, Wataru Yamada, Masayoshi Tanazawa, Kenichi Nakamura, Satoshi Fujio +3 more | 1988-11-15 |