Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703837 | Watch with light transmitting type display plate | Toshio Umemoto, Masami Fukuda, Kenji Shimoda, Isamu Kobayashi, Yurie Udou | 1997-12-30 |
| 5592443 | Structure of a watch and assembling method thereof | Masahiro Kasaya, Takayuki Hasumi | 1997-01-07 |