Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7304542 | Photo-receiving amplifier element, optical pickup unit, and optical disk device | Takanori Okuda | 2007-12-04 |
| 6127715 | Photodetector element containing circuit element and manufacturing method thereof | Masaru Kubo | 2000-10-03 |
| 6078707 | Waveguide-photodetector, method for producing the same, waveguide usable in the waveguide-photodetector, and method for producing the same | Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 2000-06-20 |
| 5602415 | Light receiving device with isolation regions | Masaru Kubo, Naoki Fukunaga | 1997-02-11 |
| 5466962 | Light-receiving semiconductor device with plural buried layers | Masaru Kubo | 1995-11-14 |