Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916550 | Foldable portable optical instrument | Michihiro Miyake, Kazuhisa Horikiri, Kazuhiro Tokuda, Makoto Nakazawa | 1990-04-10 |
YS
Youichi Sawaji
Overall (All Time): #3,900,305 of 4,157,543Top 95%
1
Patents All Time