Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12341315 | Optical semiconductor chip | Shigeru Kanazawa, Takahiko Shindo, Meishin Chin | 2025-06-24 |
| 12222546 | Optical waveguide, method for manufacturing optical waveguide, and optical semiconductor device | Tomonari Sato, Takahiko Shindo | 2025-02-11 |
| 11561353 | Optical circuit | Takushi Kazama, Hiroyuki Ishii, Koji Takeda, Hitoshi Wakita | 2023-01-24 |
| 11556040 | Semiconductor device | Naoki Fujiwara, Takahiko Shindo | 2023-01-17 |
| 11500165 | Optical module, optical wiring substrate, and method for manufacturing optical module | Hiroyuki Ishii, Koji Takeda, Takushi Kazama, Hitoshi Wakita | 2022-11-15 |
| 11448838 | Optical component and method for manufacturing same | Hitoshi Wakita, Kota Shikama, Hiroyuki Ishii, Takushi Kazama, Koji Takeda +1 more | 2022-09-20 |
| 11415750 | Optical module, optical wiring board, and production method for optical module | Hiroyuki Ishii, Koji Takeda, Takushi Kazama, Hitoshi Wakita | 2022-08-16 |
| 11372307 | Optical modulator | Nobuhiro Kikuchi, Eiichi Yamada, Josuke Ozaki, Yoshihiro Ogiso, Shinsuke Nakano | 2022-06-28 |
| 11275287 | Semiconductor Mach-Zehnder optical modulator and IQ optical modulator using same | Yoshihiro Ogiso, Josuke Ozaki | 2022-03-15 |
| 10866439 | High-frequency transmission line and optical circuit | Shigeru Kanazawa, Josuke Ozaki | 2020-12-15 |
| 10845668 | IQ optical modulator | Yoshihiro Ogiso, Josuke Ozaki | 2020-11-24 |
| 10705482 | Electronic and image forming device with gas ventilation | Makoto Yoshioka, Kazuhiko Kobayashi, Takushi Saito | 2020-07-07 |
| 10594880 | Lock lever structure, unit, and image forming apparatus | Sakie Higuchi, Yuki Sato, Shiro Akama, Tsuyoshi Endo, Tsutomu Osawa | 2020-03-17 |
| 9736327 | Image forming apparatus | Mami Akiyama, Yuki Sato, Shiro Akama, Hiroki Ishimitsu, Sakie Higuchi | 2017-08-15 |
| 9665062 | Housing structure, electronic apparatus, and image forming apparatus | Shiro Akama, Yuki Sato, Mami Akiyama, Hiroki Ishimitsu, Sakie Higuchi | 2017-05-30 |
| 9632468 | Image forming apparatus including a main power switch | Yuki Sato, Mami Akiyama, Shiro Akama, Hiroki Ishimitsu, Sakie Higuchi | 2017-04-25 |
| 9229420 | Cover open/close mechanism and image forming apparatus incorporating same | Mami Akiyama, Yuki Sato, Shiro Akama, Hidehiko Maeda | 2016-01-05 |
| 9042766 | Cooling device and image forming apparatus including same | Toshihiro Shimada | 2015-05-26 |