Issued Patents 2003
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 (2003): #125,735 of 273,478Top 50%
1
Patents 2003