Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12200985 | Display device in which the occurrence of shading is reduced without excessively increasing the pixel spacing | — | 2025-01-14 |
| 12055702 | Objective lens for endoscope and endoscope | — | 2024-08-06 |
| 11906725 | Illumination lens, illumination optical system, and endoscope | — | 2024-02-20 |
| 11402621 | Objective lens for endoscope and endoscope | — | 2022-08-02 |
| 10861880 | Electronic device and manufacturing method therefor | — | 2020-12-08 |
| 10637008 | Display device | Kenta Kajiyama | 2020-04-28 |
| 10446791 | Display device | — | 2019-10-15 |
| 10374701 | Optical signal-to-noise ratio measuring device and optical signal-to-noise ratio measuring method | Shoichiro Oda, Setsuo Yoshida | 2019-08-06 |
| 10310239 | Imaging lens and optical apparatus | — | 2019-06-04 |
| 10003406 | Optical level control apparatus and optical reception apparatus | Setsuo Yoshida | 2018-06-19 |
| 9798141 | Head-up display | — | 2017-10-24 |
| 9709796 | Objective lens for endoscopes and endoscope | Michio Cho | 2017-07-18 |
| 9703089 | Objective lens for endoscopes and endoscope | Michio Cho | 2017-07-11 |
| 9678327 | Endoscope objective lens and endoscope | — | 2017-06-13 |
| 9468358 | Objective lens for an endoscope and endoscope | — | 2016-10-18 |
| 9442283 | Endoscopic objective lens and endoscope | — | 2016-09-13 |
| 9207440 | Imaging lens and imaging apparatus including the same | — | 2015-12-08 |
| 9063340 | Objective optical system and endoscope using same | Yoshiaki Ishii | 2015-06-23 |
| 9019593 | Optical amplification apparatus | Setsuo Yoshida, Susumu Kinoshita, George Ishikawa, Goji Nakagawa, Yutaka Kai +1 more | 2015-04-28 |
| 8937762 | Level control circuit, level control method, and level control system | Yutaka Kai, Setsuo Yoshida, Taku Yoshida | 2015-01-20 |
| 8902515 | Objective optical system and endoscope using same | Yoshiaki Ishii | 2014-12-02 |
| 8896940 | Objective optical system and endoscope using same | — | 2014-11-25 |
| 8824043 | Optical output level control apparatus | Setsuo Yoshida, Taku Yoshida, Yutaka Kai | 2014-09-02 |
| 8301035 | Optical communication apparatus, control apparatus, and method for controlling optical output | Taku Yoshida, Yoshiyuki Maeda | 2012-10-30 |
| 8155517 | Optical packet switching apparatus | Yutaka Kai | 2012-04-10 |