Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7499613 | Y branch circuit and method for manufacturing the same | Yasuhiro Hida, Yasuyuki Inoue, Norio Takato, Yasumori Ohmura | 2009-03-03 |
| 6580862 | Optical waveguide circuit | Akio Sugita, Mikitaka Itoh, Yasuyuki Inoue, Yasuhiro Hida | 2003-06-17 |