Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6859331 | Objective | — | 2005-02-22 |
| 6822805 | Objective lens | — | 2004-11-23 |
| 6819498 | Two-wavelength antireflection film and objective lens coated with two-wavelength antireflection film | Tadashi Watanabe, Hideto Yamashita, Masato Kohsaka, Takao Yamauchi | 2004-11-16 |
| 6271971 | Microscope objective, and single objective type binocular stereomicroscope system cross | Kazuhiko Osa | 2001-08-07 |
| 6226119 | High-magnification objective optical system for binocular stereomicroscopes | — | 2001-05-01 |
| 6025956 | Incident-light fluorescence microscope | Takashi Nagano, Keiji Shimizu, Kenji Kawasaki, Masakazu Shimada | 2000-02-15 |
| 5852515 | Microscope objective and single objective type binocular stereomicroscope system | — | 1998-12-22 |