Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883860 | Optical fiber sensor | Kenichi Ohmori, Shingo Matsushita, Kentaro Ichii | 2021-01-05 |
| 9488606 | Method for detecting non-superconducting transition of superconducting wire | Yoshihiro Terada | 2016-11-08 |
| 9228890 | Method of measuring acoustic distribution and distributed acoustic sensor | Yoshihiro Terada, Daiichiro Tanaka | 2016-01-05 |
| 9069116 | Fan-in/fan-out device for multicore fiber | Hitoshi Uemura, Katsuhiro Takenaga, Kunimasa Saitoh | 2015-06-30 |
| 8922789 | Displacement measuring device and displacement measuring method | Hideki Soejima, Yoji Okabe, Qi Wu, Ryujiro Nomura | 2014-12-30 |
| 8641274 | Polarization-maintaining fiber and optical fiber sensor using same | Yoshihiro Terada, Yutaka Endoh, Kazuyuki Hayashi, Katsuaki Izoe, Kazuhiko Aikawa +1 more | 2014-02-04 |
| 8508119 | Phosphor and an incandescent lamp color light emitting diode lamp using the same | Ken Sakuma, Naoki Kimura, Masakazu Ohashi, Daiichiro Tanaka, Naoto Hirosaki | 2013-08-13 |
| 8509271 | Method for manufacturing optical fiber grating, optical fiber grating, and fiber laser | Yoshihiro Terada, Rintaro Morohashi | 2013-08-13 |
| 8268075 | Method of producing zinc oxide semiconductor crystal | Yoshikazu Kaifuchi, Munehisa Fujimaki, Akihiko Yoshikawa | 2012-09-18 |
| 7973914 | Physical quantity measuring apparatus utilizing optical frequency domain reflectometry and method for temperature and strain measurement using the apparatus | Akira Sakamoto, Shunichirou Hirafune | 2011-07-05 |
| 7889332 | Physical quantity measuring apparatus utilizing optical frequency domain reflectometry, and method for simultaneous measurement of temperature and strain using the apparatus | Akira Sakamoto, Shunichirou Hirafune | 2011-02-15 |
| 7608862 | Light emitting device and a lighting apparatus | Ken Sakuma, Naoto Hirosaki | 2009-10-27 |
| 7046872 | Optical switch, optical add-drop module, and optical communication system | Ken Sakuma, Daigo Fujita, Hirokuni Ogawa, Hideyuki Hosoya | 2006-05-16 |