Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982535 | Centrifuge microscope capable of realizing polarized light observation | Shinya Inoue, Keisuke Suzuki, Koji Ichie, Naobumi Okada, Hajime Takahashi | 1999-11-09 |
| RE36299 | Optical system for microscopes | Takaaki Tanaka, Toshinobu Suzuki | 1999-09-14 |
| 5751475 | Phase contrast microscope | Hiroshi Ishiwata | 1998-05-12 |
| 5469299 | Objective lens system | — | 1995-11-21 |
| 5394271 | Optical system for microscopes | Takaaki Tanaka, Toshinobu Suzuki | 1995-02-28 |
| 5191473 | Objectives | Shingo Kashima | 1993-03-02 |
| 5146363 | Microscope optical system | — | 1992-09-08 |
| 4971445 | Fine surface profile measuring apparatus | Eiichi Sato, Kiyozo Koshiishi, Sadao Shigetomi, Syunpei Tanaka, Makoto Yoshinaga +6 more | 1990-11-20 |
| 4852985 | Illuminating device for microscopes | Tadafumi Fujihara, Yoshihiro Shimada, Katsuo Tsukamoto | 1989-08-01 |
| 4834516 | Noninverting photo-microscope with variable power lenses | Kazuo Kajitani, Makoto Shigehara, Kazuhiko Osa, Eisuke Arinobe, Hideto Yamashita | 1989-05-30 |
| 4812039 | Schlieren optical device | Yoshihiro Shimada, Tadafumi Fujihara, Katsuo Tsukamoto | 1989-03-14 |
| 4624535 | Objective lens system for microscopes | Takashi Kurihara | 1986-11-25 |
| 4322136 | Microscope objective lens system | — | 1982-03-30 |