Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10409543 | Amplification device, control method of amplification device, and control program | Kazuki Tatehata | 2019-09-10 |
| 9563022 | Hollow optical fiber unit for optical fiber sensor with hexagonal head and threaded shaft | Tetsuo Ryugo, Kazuhisa Asaumi | 2017-02-07 |
| 9285561 | Optical fiber unit for optical fiber sensor | Tetsuo Ryugo | 2016-03-15 |
| 9151899 | Optical fiber head | Atsunobu Fujii | 2015-10-06 |
| 7289233 | Optical film measuring device | Masahiro Kurokawa, Shinji Mizuhata | 2007-10-30 |
| 5264687 | Optical card processing apparatus | Sadao Sugiyama, Yoshihito Koshiba, Takeshi Ishida | 1993-11-23 |
| 5099111 | Optical card processing apparatus | Yoshihito Koshiba | 1992-03-24 |