Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306435 | Optical multiplexer and manufacturing method for the same | Toshio Katsuyama, Shoji Yamada, Susumu Yonezawa | 2025-05-20 |
| 12174381 | Image display device using retinal scanning display unit and image display system | Shoji Yamada, Toshio Katsuyama | 2024-12-24 |
| 12105326 | Optical multiplexer reduced in background light | Akira Himeno, Koichi HORII, Toshio Katsuyama, Shoji Yamada | 2024-10-01 |
| 12050342 | Optical multiplexer and optical multiplexing method | Toshio Katsuyama, Shoji Yamada, Hitoshi Higuchi | 2024-07-30 |
| 11895442 | Light beam emission device and light beam projection device equipped therewith | Toshio Katsuyama, Shoji Yamada | 2024-02-06 |
| 11287571 | Multiplexer | Toshio Katsuyama | 2022-03-29 |
| 10408999 | Multiplexer | Toshio Katsuyama | 2019-09-10 |
| 10185091 | Multiplexer, image projection apparatus using the multiplexer and image projection system | Toshio Katsuyama | 2019-01-22 |
| 9952389 | Multiplexer, image projection apparatus using the multiplexer and image projection system | Toshio Katsuyama | 2018-04-24 |
| 8427550 | Image processing device correcting image data, image sensor and image processing method | Takayuki Ogasahara | 2013-04-23 |
| 7907481 | Optical disc drive device and tilt correction device | Takashi Inoue, Hiroshi Shimada, Yasuhiro Hayashi | 2011-03-15 |
| 7535941 | Drive current control circuit for laser and optical disk device | Takashi Inoue, Yasuhiro Hayashi | 2009-05-19 |
| 7486711 | Automatic power control filter circuit and optical disc device | Takashi Inoue, Yasuhiro Hayashi | 2009-02-03 |
| 6998715 | Grid array electronic component, wire reinforcing method for the same, and method of manufacturing the same | Shouichi Fuji | 2006-02-14 |
| 5300168 | Apparatus and method for folding sheet-form material | Toyofusa Endo, Takeshi Ikeda | 1994-04-05 |
| 5187857 | Apparatus for manufacturing electronic parts wrapped with conductive foil | Toyofusa Endo, Takeshi Ikeda | 1993-02-23 |