Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9124370 | Light emitting element drive circuit and light emitting device | Mariko Kase | 2015-09-01 |
| 9059837 | Clock data recovery circuit and clock data recovery method | Takayuki Shibasaki | 2015-06-16 |
| 8957365 | Light reception circuit and light reception device | — | 2015-02-17 |
| 8804225 | Signal shaping circuit and light transmitting device | — | 2014-08-12 |
| 8791652 | Signal shaping circuit | Hideki Oku | 2014-07-29 |
| 8718488 | Driver and optical transmission apparatus | Mariko Sugawara | 2014-05-06 |
| 8655188 | Driver and optical transmission apparatus | Hideki Oku | 2014-02-18 |
| 8630369 | Emphasis circuit and transmitter | — | 2014-01-14 |
| 8478138 | Optical receiving device, optical receiving circuit, and method for receiving optical signals | Mariko Sugawara, Satoshi Ide | 2013-07-02 |
| 8311418 | Optical communication apparatus and optical communication method | Satoshi Ide, Kazuyuki Mori | 2012-11-13 |
| 8306437 | Optical receiver | Satoshi Ide, Shinichi Sakuramoto, Kazuyuki Mori, Toru Matsuyama | 2012-11-06 |
| 8289196 | Parallel-serial converter | — | 2012-10-16 |
| 8270846 | Amplification circuit, differential amplification circuit, and optical transmitter | — | 2012-09-18 |
| 8199036 | Parallel-serial converter | Mariko Sugawara, Tetsuji Yamabana | 2012-06-12 |
| 8184355 | Light modulation device | Satoshi Ide | 2012-05-22 |
| 8169348 | Parallel-serial converter circuit | — | 2012-05-01 |
| 8169347 | Parallel-to-serial converter and parallel data output device | — | 2012-05-01 |
| 8164385 | Amplifier circuit | Mariko Sugawara | 2012-04-24 |
| 8126328 | Communication apparatus and signal transmitting method | — | 2012-02-28 |
| 8064779 | Receiving apparatus | — | 2011-11-22 |
| 8023776 | Mach-Zehnder type optical modulator | — | 2011-09-20 |
| 7893760 | Amplifier circuit | Mariko Sugawara | 2011-02-22 |
| 7876491 | Multilevel optical phase modulator | Satoshi Ide | 2011-01-25 |
| 7463795 | Acousto-optic device | Hiroshi Miyata | 2008-12-09 |
| 7437037 | Optical module having gain member and partial reflection section waveguides formed on a substrate | Satoshi Ide, Tsuyoshi Yamamoto | 2008-10-14 |