Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478498 | Ball for ball-point pen and ball-point pen | Yoshito Miyasaka | 2002-11-12 |
| 6398721 | Surgical microscope apparatus | Motokazu Nakamura, Masaaki Ueda, Toru Shinmura, Keiji Shioda, Kyo Imagawa +9 more | 2002-06-04 |