Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175458 | Multi-fiber connector fiber-optic measurement device and method | Katsushi Ota | 2021-11-16 |
| 11108461 | Testing method, light receiving device, and testing system | Akira Tanigawa | 2021-08-31 |
| 9146161 | Optical wavelength meter | Manabu Kojima | 2015-09-29 |
| 8125638 | Spectroscope | Tsutomu Kaneko, Manabu Kojima | 2012-02-28 |
| 7705984 | Spectroscope having spectroscopic paths with individual collimators | Manabu Kojima, Tsutomu Kaneko | 2010-04-27 |
| 7649627 | Wavelength calibration method and wavelength calibration apparatus | — | 2010-01-19 |
| 7075644 | Depolarizer and spectroscope and polychromater | Tsutomu Kaneko, Toru Mori | 2006-07-11 |
| 6879396 | Monochromator and optical spectrum analyzer using the same | Tsutomu Kaneko, Tohru Mori | 2005-04-12 |
| 6744506 | Depolarizing plate and an optical apparatus using the same | Tsutomu Kaneko | 2004-06-01 |
| 6654167 | Polarization scrambler and monochromator | — | 2003-11-25 |