Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12097907 | Steering device | Osamu Yoshida | 2024-09-24 |
| 6075646 | Observation optical apparatus | — | 2000-06-13 |
| RE36299 | Optical system for microscopes | Takaaki Tanaka, Chikara Nagano | 1999-09-14 |
| 5659425 | Immersion microscope objective | — | 1997-08-19 |
| 5517360 | Immersion microscope objective | — | 1996-05-14 |
| 5502596 | Immersion microscope objective | — | 1996-03-26 |
| 5394271 | Optical system for microscopes | Takaaki Tanaka, Chikara Nagano | 1995-02-28 |
| 5270860 | Objective for microscopes | — | 1993-12-14 |
| 5255121 | Ultra-wide field eyepiece for microscopes | — | 1993-10-19 |
| 5227918 | Wide field eyepiece lens system | Takaaki Tanaka, Mitsuo Arima | 1993-07-13 |
| 5132845 | High mangification objective lens system | — | 1992-07-21 |
| 4989957 | Objective lens for microscopes | — | 1991-02-05 |