Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7973914 | Physical quantity measuring apparatus utilizing optical frequency domain reflectometry and method for temperature and strain measurement using the apparatus | Koji Omichi, Akira Sakamoto | 2011-07-05 |
| 7946132 | Method for manufacturing optical fiber preform and optical fiber preform apparatus | Manabu Saitou | 2011-05-24 |
| 7921676 | Method for manufacturing optical fiber preform and optical fiber preform apparatus | Manabu Saitou | 2011-04-12 |
| 7889332 | Physical quantity measuring apparatus utilizing optical frequency domain reflectometry, and method for simultaneous measurement of temperature and strain using the apparatus | Koji Omichi, Akira Sakamoto | 2011-02-15 |