Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11224120 | Print circuit board, optical module, and optical transmission equipment | Osamu Kagaya, Yoshikuni Uchida | 2022-01-11 |
| 10609812 | Printed circuit board, optical module, and optical transmission equipment | Osamu Kagaya, Yoshikuni Uchida | 2020-03-31 |
| 10128554 | Printed circuit board, optical module, and transmission equipment | Osamu Kagaya | 2018-11-13 |
| 10116116 | Printed circuit board and optical module | Osamu Kagaya, Hiroyoshi Ishii | 2018-10-30 |
| 9781824 | Differential transmission circuit, optical module and manufacturing method of differential transmission circuit | Osamu Kagaya | 2017-10-03 |
| 8660434 | Printed circuit board and optical transmission device | Osamu Kagaya, Taichi Kogure | 2014-02-25 |
| 8385748 | Printed circuit board and optical transmission device | Osamu Kagaya, Taichi Kogure | 2013-02-26 |
| 5867314 | Structure of optical passive device and assembling method therefor | Yuko Ota, Shigetaka Goto, Mototsugu Goto, Terushi Otani | 1999-02-02 |