Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306435 | Optical multiplexer and manufacturing method for the same | Shoji Yamada, Akira Nakao, Susumu Yonezawa | 2025-05-20 |
| 12174381 | Image display device using retinal scanning display unit and image display system | Shoji Yamada, Akira Nakao | 2024-12-24 |
| 12105326 | Optical multiplexer reduced in background light | Akira Himeno, Koichi HORII, Shoji Yamada, Akira Nakao | 2024-10-01 |
| 12050342 | Optical multiplexer and optical multiplexing method | Akira Nakao, Shoji Yamada, Hitoshi Higuchi | 2024-07-30 |
| 11895442 | Light beam emission device and light beam projection device equipped therewith | Shoji Yamada, Akira Nakao | 2024-02-06 |
| 11307405 | Image generating device and image generating method for detecting position of pupil | Shoji Yamada | 2022-04-19 |
| 11307407 | Two-dimensional optical scanning mirror device, manufacturing method for same, two-dimensional optical scanner and image projector | Ryoya Ishigami | 2022-04-19 |
| 11287571 | Multiplexer | Akira Nakao | 2022-03-29 |
| 11188149 | Image display device using retinal scanning display unit and method thereof | Shoji Yamada | 2021-11-30 |
| 11067792 | Two-dimensional optical scanning mirror device, manufacturing method for same, two-dimensional optical scanner and image projector | Ryoya Ishigami | 2021-07-20 |
| 10408999 | Multiplexer | Akira Nakao | 2019-09-10 |
| 10185091 | Multiplexer, image projection apparatus using the multiplexer and image projection system | Akira Nakao | 2019-01-22 |
| 9952389 | Multiplexer, image projection apparatus using the multiplexer and image projection system | Akira Nakao | 2018-04-24 |
| 7450789 | Micro sensor device | Kazuhiko Hosomi, Hiroji Yamada, Yasuhiko Arakawa, Toshihiko Fukamachi | 2008-11-11 |
| 7145146 | Micro-spectroscopic measuring device and micro-chemical system | Taro Ogawa, Toshiki Sugawara, Kazuhiko Hosomi, Masataka Shirai, Kaoru Umemura +3 more | 2006-12-05 |
| 6931189 | Optical waveguides and optical devices with optical waveguides | Youngkun Lee, Kazuhiko Hosomi, Tatsuya Tomaru | 2005-08-16 |
| 6731846 | Dispersion compensator and optical transmission system using same | Kazuhiko Hosomi, Young-kun Lee, Masahiro Ojima | 2004-05-04 |
| 5698798 | Method and apparatus for dynamic observation of specimen | Makiko Kohno, Shigeyuki Hosoki, Tsuyoshi Hasegawa, Yusuke Yajima | 1997-12-16 |
| 5362972 | Semiconductor device using whiskers | Masamitsu Yazawa, Kenji Hiruma, Nobutaka Futigami, Hidetoshi Matsumoto, Hiroshi Kakibayashi +3 more | 1994-11-08 |
| 5332910 | Semiconductor optical device with nanowhiskers | Keiichi Haraguchi, Kenji Hiruma, Kensuke Ogawa, Ken Yamaguchi, Toshiyuki Usagawa +4 more | 1994-07-26 |
| 5091980 | Optical quantum interference device/optical computer and method of modulating light using same | Kensuke Ogawa, Tadashi Fukuzawa | 1992-02-25 |
| 4957337 | Optical quantum interference device and method of modulating light using same | Kensuke Ogawa, Tadashi Fukuzawa | 1990-09-18 |
| 4900134 | Optical device | Hiroaki Inoue, Hiroyoshi Matsumura, Shinji Sakano, Hitoshi Nakamura | 1990-02-13 |
| 4887877 | Optical devices and optical integrated circuits | Hiroaki Inoue, Shinji Sakano, Hitoshi Nakamura, Hiroyoshi Matsumura | 1989-12-19 |
| 4887273 | Intercalation compound and generator of coherent radiation using the same | Kiichi Komatsubara, Seiichi Tanuma, Katsuya Okabe | 1989-12-12 |