Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285894 | Waterproof casing | Kazuo Kamata, Hisashi Tasaka, Takashi Kubo | 1994-02-15 |
| 5047792 | Camera | Seiji Asano, Junichi Takagi | 1991-09-10 |
TK
Takaji Kono
Overall (All Time): #2,292,168 of 4,157,543Top 60%
2
Patents All Time