Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4658270 | Recording apparatus | Hiroo Katsura, Kazuya Koyama | 1987-04-14 |
| 4595993 | Manually reciprocative section of an electronic apparatus | — | 1986-06-17 |
KY
Keiji Yao
Overall (All Time): #2,342,180 of 4,157,543Top 60%
2
Patents All Time