Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6603110 | Temperature compensating circuit, temperature compensating logarithm conversion circuit and light receiver | Akihiro Hayami, Tadaaki Fujii, Tomonao Kikuchi, Tadashi Hatano, Yasuhiro Yamada +5 more | 2003-08-05 | $181,000 |
| 6426495 | Temperature compensating circuit, temperature compensating logarithm conversion circuit and light receiver | Akihiro Hayami, Tadaaki Fujii, Tomonao Kikuchi, Tadashi Hatano, Yasuhiro Yamada +5 more | 2002-07-30 | $311,000 |