Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8496246 | Thickness detector of paper | Mitsuhiko Muranaka | 2013-07-30 |
| 8411334 | Paper-sheet recognition apparatus | — | 2013-04-02 |
| 8091889 | Thickness detector of paper | Mitsuhiko Muranaka | 2012-01-10 |
| 7187872 | Broadband pulse width modulation circuit and optical amplifier using the same | — | 2007-03-06 |
| 6912085 | Optical amplifier | Katsuhiko Hakomori, Hiroyuki Furukawa | 2005-06-28 |