Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7692856 | Focus error detecting optical system for a microscope | Takayuki Kei, Yasunori Yokoyama, Naomichi Chida, Yoshiaki Naganuma | 2010-04-06 |
| 7592582 | Confocal scanner having beam spread angle adjustment device | Takashi Yoshida, Yasuhito Kosugi | 2009-09-22 |
| 7400446 | Confocal microscope | Takashi Yoshida, Takayuki Kei | 2008-07-15 |
| 7283306 | Confocal optical scanner | Takeo Tanaami, Naoki Seki, Takeharu Nagai, Atsushi Miyawaki | 2007-10-16 |
| 7190514 | Confocal scanning microscope | Yasuhiro Tanibata, Hideomi Negishi, Naoki Seki, Yasuhito Kosugi | 2007-03-13 |
| 7002737 | Three-dimensional confocal microscope | Takashi Akiyama, Takayuki Kei | 2006-02-21 |
| 6982824 | Three-dimensional confocal microscope system | Takayuki Kei, Kenji Hachiya | 2006-01-03 |
| 5847867 | Confocal microscope | Yumiko Sugiyama, Takeo Tanaami, Katsumi Isozaki | 1998-12-08 |
| 5717519 | Confocal microscope | Yumiko Sugiyama, Takeo Tanaami, Katsumi Isozaki | 1998-02-10 |
| 5633751 | Confocal optical scanner | Takeo Tanaami | 1997-05-27 |
| 5592292 | Interference spectrometer with a moving mirror | Tomoaki Nanko, Takeo Tanaami | 1997-01-07 |
| 5579157 | Confocal optical scanner | Takeo Tanaami | 1996-11-26 |
| 5428475 | Confocal optical scanner | Takeo Tanaami | 1995-06-27 |
| 4850695 | Test system for optical disks | Akira Ohya, Minoru Nakagawara, Hideo Hirukawa, Shoji Uehara | 1989-07-25 |
| 4832487 | Test system for optical disks | Masuo Hanawaka, Akira Ohya, Hideo Hirukawa, Shoji Uehara, Kenichi Yamakawa | 1989-05-23 |