Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9372339 | Wavelength swept light source | Seiji Toyoda, Kazunori Naganuma, Yuichi Okabe, Shogo Yagi, Masahiro Ueno +5 more | 2016-06-21 |
| 8960900 | Progressive-power lens | Yohei Suzuki, Ayumu Ito, Toshihide Shinohara, Tadashi Kaga | 2015-02-24 |
| 8807746 | Spectacle lens, spectacles, and method for manufacturing spectacle lens | Ayumu Ito | 2014-08-19 |
| 8777407 | Progressive-power lens and progressive-power lens design method | Yohei Suzuki | 2014-07-15 |
| 8684522 | Progressive-power lens and progressive-power lens design method | Yohei Suzuki | 2014-04-01 |
| 8550622 | Progressive power lens and progressive power lens design method | Takateru Mori, Ayumu Ito | 2013-10-08 |
| 7364292 | Method of designing progressive power lens group | — | 2008-04-29 |
| 7175277 | Generation system of design data, generation method of design data, recording medium and program | Toshihide Shinohara, Tadashi Kaga | 2007-02-13 |
| 7159980 | Progressive refractive power lens and production method therefor | — | 2007-01-09 |
| 7159981 | Progressive refractive power lens | — | 2007-01-09 |
| 7159982 | Method for providing design data and system for providing design data | Toshihide Shinohara, Tadashi Kaga, Satoshi Kubota, Masaaki Takeuchi | 2007-01-09 |
| 7120358 | Optical packet routing network system based on optical label switching technique | Akira Okada, Kazuto Noguchi, Yoshihisa Sakai, Takashi Sakamoto, Morito Matsuoka +1 more | 2006-10-10 |
| 7113701 | Optical packet routing network system based on optical label switching technique | Akira Okada, Kazuto Noguchi, Yoshihisa Sakai, Takashi Sakamoto, Morito Matsuoka +1 more | 2006-09-26 |
| 7070274 | Spectacle lens | Kaoru Kamishita, Tadashi Kaga | 2006-07-04 |
| 6782210 | Optical packet routing network system based on optical label switching technique | Akira Okada, Kazuto Noguchi, Yoshihisa Sakai, Takashi Sakamoto, Morito Matsuoka +1 more | 2004-08-24 |
| 6704754 | Method for shared use of medium-exchangeable storage device for purposes of backup and file system, and medium-exchangeable recording system | Yuichi Kobayashi, Kazuhiro Soeda | 2004-03-09 |
| 6199983 | Apparatus and method for manufacturing a progressive multi-focal lens | Akira Komatsu, Hiroyuki Mukaiyama, Tadashi Kaga | 2001-03-13 |
| 6019470 | Progressive multifocal lens and manufacturing method of eyeglass lens and progressive multifocal lens | Hiroyuki Mukaiyama | 2000-02-01 |
| 5949120 | Semiconductor photodetector | Yoshifumi Muramoto, Osaake Nakajima, Masahiro Yuda, Atsuo Kozen | 1999-09-07 |
| 5926250 | Multifocal lens for eyeglass and eyeglass lens | Hiroyuki Mukaiyama, Akira Komatsu, Tadashi Kaga | 1999-07-20 |
| 5886766 | Progressive multifocal lens and manufacturing method therefor | Tadashi Kaga | 1999-03-23 |
| 5644374 | Variable focus type eyesight correcting apparatus | Hiroyuki Mukaiyama, Akira Komatsu | 1997-07-01 |
| 5455642 | Progressive power lens | — | 1995-10-03 |
| 5335026 | Eyeglass lens | Toshiharu Katada, Osamu Yokoyama | 1994-08-02 |
| 5270746 | Eyeglass lens | Toshiharu Katada, Osamu Yokoyama | 1993-12-14 |