Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575618 | Information processing device | Shigeki Inoue, Hajime Kurihara, Motomu Hayakawa | 2003-06-10 |
| D376986 | Wrist watch | Naoaki Yasukawa | 1996-12-31 |
| D342208 | Watch case | Hatsue Tsukada | 1993-12-14 |
| D342214 | Timepiece dial | Hatsue Tsukada | 1993-12-14 |
| D340869 | Watch | Tetsuro Maruyama | 1993-11-02 |