Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067964 | Output circuit | Tomoyuki Numata | 2011-11-29 |
| 6658213 | Modulation controlling circuit | Akihiko Hayashi, Shinichiro Sano, Tomoyuki Otsuka | 2003-12-02 |
| 6501774 | Optical transmission apparatus for multiple wavelengths and optical transmission wavelength control method | Hiroshi Kuwahara, Setsuo Misaizu, Tetsuya Kiyonaga, Tomoyuki Otsuka, Motoyoshi Sekiya | 2002-12-31 |
| 5994941 | Operating voltage point compensation circuit for a transistorized circuit | Yo Akimoto, Yoshihiro Saito, Kakuji Inoue, Hiroyuki Nobuhara, Kazuyuki Mori | 1999-11-30 |
| 5874861 | Amplifier circuit | Daisuke Yamazaki | 1999-02-23 |
| 5818620 | Burst optical signal receiver | Yo Akimoto, Yoshihiro Saito, Kakuji Inoue, Hiroyuki Nobuhara, Kazuyuki Mori | 1998-10-06 |
| 5625181 | Light-receipt system with current bias circuit and pre-amplifier for use in optical digital communication | Akihiko Yasuda, Setsuo Misaizu, Hisaya Sakamoto, Yuji Miyaki, Hiroshi Kuzukami | 1997-04-29 |