Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562808 | Light receiving circuit and light coupling device | Masayuki Sugizaki, Toyoaki Uo | 2017-02-07 |
| 9537567 | Light receiving circuit and light coupling device | Hiroshi Suzunaga | 2017-01-03 |
| 9285269 | Light receiving circuit | Masayuki Sugizaki | 2016-03-15 |
| 9190550 | Photodiode | Yuichi Tagami | 2015-11-17 |
| 9166069 | Light receiving circuit | Masayuki Sugizaki, Miki Hidaka, Hiroshi Shimomura | 2015-10-20 |
| 9159848 | Light receiving circuit | Miki Hidaka, Masayuki Sugizaki | 2015-10-13 |
| 9153708 | Light receiving circuit and photocoupler | Hisami Saito, Masayuki Sugizaki | 2015-10-06 |
| 8884208 | Light receiving circuit | — | 2014-11-11 |
| 8847140 | Light receiving circuit having an automatic threshold control circuit for forming and allowing electric current flowing between a second potential line and first and second connection points | Masayuki Sugizaki | 2014-09-30 |
| 8791442 | Optical coupling device having dual inverting amplifier and a comparison amplified output signal | Miki Hidaka | 2014-07-29 |
| 8754628 | Voltage regulator for high speed switching of voltages | Atsushi Namai, Kei Kasai | 2014-06-17 |
| 8674770 | Transimpedance amplifier and light receiving circuit | Yukiko Takiba | 2014-03-18 |
| 8153953 | Light receiving circuit | Hirofumi Kobayashi | 2012-04-10 |
| 7755020 | Light receiving circuit and light coupling device | Hirofumi Kobayashi | 2010-07-13 |
| 7663089 | Receiving apparatus | — | 2010-02-16 |
| 7635837 | Optical receiving circuit | Toyoaki Uo | 2009-12-22 |
| 7509052 | Optical receiver, optical transmitter and optical transceiver | Kazuhiro Shimada, Asako Ikeda | 2009-03-24 |
| 7449669 | Receiving apparatus | — | 2008-11-11 |
| 7304594 | Transmitting and receiving device and transmitting device and receiving device | Hiroshi Suzunaga, Masaru Numano, Atsushi Iwata, Yoshitaka Murasaka, Toshifumi Imamura | 2007-12-04 |
| D556128 | Optical transmission conversion device | Takeshi Miyakawa, Motoyasu Morinaga | 2007-11-27 |
| D552538 | Optical transmission conversion device | Motoyasu Morinaga | 2007-10-09 |
| 7248800 | Optical receiver, optical transmitter and optical transceiver | Kazuhiro Shimada, Asako Ikeda | 2007-07-24 |
| 6737623 | Photo-detecting semiconductor device and an apparatus having such a photo-detecting semiconductor device | Hiroshi Suzunaga | 2004-05-18 |
| 6724376 | LED driving circuit and optical transmitting module | Katsuji Kaminishi | 2004-04-20 |
| 6690340 | Light-emitting diode driving circuit and optical transmission module using the same | Katsuji Kaminishi | 2004-02-10 |