Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409141 | Particle analyzer and composite lens formed by integrally joining plural lens elements of different focal points | Yutaka Nagai, Katsuhiro Tsuchiya, Yoshiyuki Takahara | 2002-06-25 |