Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10990861 | Printer communication using formatted printing information and alteration or deletion of formatted printing information | Yuichi Sugiyama, Hidehisa Omiya | 2021-04-27 |
| 10339516 | Information processing device, information processing system, and control method of an information processing device | Masahiro Ito, Koji Nishizawa, Keigo Mori, Yuichi Sugiyama | 2019-07-02 |
| 10078829 | Information processing device, transaction processing system, and recording device | Yuichi Sugiyama, Koji Nishizawa | 2018-09-18 |
| 9483222 | POS system, data processing device, and control method of a POS system | Masahiro Ito | 2016-11-01 |
| 9311029 | POS system, data processing device, and control method of a POS system | Masahiro Ito | 2016-04-12 |
| 6690872 | Silica based optical waveguide and production method therefor | Takashi Sasaki, Nobuhiro Akasaka, Shigeru Tanaka, Chisai Hirose | 2004-02-10 |
| 5696860 | Optical device module and method for manufacturing the same | Shigeru Semura, Masahide Saito, Dai Yui, Shinji Ishikawa | 1997-12-09 |
| 5513290 | Coupling structure of optical fibers and optical waveguides | Shinji Ishikawa, Hiroshi Suganuma, Dai Yui, Shigeru Semura, Masahide Saito | 1996-04-30 |
| 5481632 | Optical waveguide module and method of manufacturing the same | Kazunori Kurima, Masahide Saito, Dai Yui, Tomoyuki Hattori, Hiroshi Suganuma | 1996-01-02 |
| 5471306 | Method for assembling optical isolator and method for measuring isolation | Dai Yui, Shigeru Semura | 1995-11-28 |
| 5408491 | Optical isolator | Shigeru Semura, Dai Yui | 1995-04-18 |
| 5384874 | Optical fiber rod lens device and method of making same | Toshiaki Kakii, Shinji Ishikawa, Hiroo Kanamori | 1995-01-24 |
| 5381261 | Optical isolator | Youichi Ishiguro, Yasuji Hattori, Masayuki Nishimura, Masayuki Shigematsu, Minoru Watanabe +1 more | 1995-01-10 |
| 5265179 | Method of manufacturing fiber-optic collimators | Yoichi Ishiguro, Yasuji Hattori, Masayuki Nishimura | 1993-11-23 |