Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639717 | Multi-frequency telescope apparatus for celestial observations using reflecting telescope | — | 2003-10-28 |
RS
Ryuuichi Sugiyama
Overall (All Time): #3,526,828 of 4,157,543Top 85%
1
Patents All Time