Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10795067 | Confocal optical system-based measurement apparatus and method for manufacturing confocal optical system-based measurement apparatus | Haruka Otsuka, Tsutomu Mizuguchi | 2020-10-06 |
| 10330530 | Reference light source device used for calibration of spectral luminance meter and calibration method using same | Hiroyuki Sano | 2019-06-25 |
| 9891105 | Microspectroscope including optical fibers and spectroscope | — | 2018-02-13 |
| 9746374 | Spectrophotometer and spectrophotometric measurement method | — | 2017-08-29 |
| 9500520 | Optical measurement apparatus | Kazuaki Ohkubo | 2016-11-22 |
| 9127832 | Light source support apparatus and optical radiation characteristic measurement apparatus using the same | Takeshi Kamada | 2015-09-08 |
| 8970835 | Optical characteristic measuring apparatus | Kazuaki Ohkubo | 2015-03-03 |
| 8896824 | Optical characteristic measuring apparatus | Kazuaki Ohkubo | 2014-11-25 |
| 7808625 | Aperture variable inspection optical system and color filter evaluation process | Kenji Nakamura | 2010-10-05 |