Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461516 | Multilayer film structure | Takao Yamauchi, Yoshiaki Sano, Takashi Kasahara | 1995-10-24 |
| 5331457 | Stereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changed | Toyoharu Hanzawa, Kimihiko Nishioka, Masaaki Yamagishi | 1994-07-19 |
| 5239413 | Objective lens system for microscopes | — | 1993-08-24 |
| 5227914 | Stereomicroscope including a single variable magnification optical system | Toyoharu Hanzawa, Tomonori Ishikawa, Shinichi Nakamura, Hiroshi Fujiwara, Masahiko Kinukawa +5 more | 1993-07-13 |
| 5212375 | Camera focus detection system using holographic beam splitter | Hisashi Goto, Tsutomu Uzawa, Hiroyuki Kurita, Hideaki Yoshida, Akira Hasegawa +1 more | 1993-05-18 |
| 5059005 | Objective lens system for microscopes | — | 1991-10-22 |