Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10623005 | PLL circuit and CDR apparatus | Shunichi Kubo, Mitsutoshi Sugawara, Satoshi Miura | 2020-04-14 |
| 10498320 | Transmitter and transmission/reception system | Yusaku HIRAI | 2019-12-03 |
| 10033368 | Transmitter and transmission/reception system | Yusaku HIRAI | 2018-07-24 |
| 9115033 | Moisture absorbent for organic electroluminescence element and production method for same | Takayuki Watanabe, Takuya Mishima, Satoru Sano, Akira Ueki | 2015-08-25 |
| 9088122 | Driver for laser diode integrated with external modulator | — | 2015-07-21 |
| 8953655 | Optical transmitter suppressing excess emission of laser diode | — | 2015-02-10 |
| 8941440 | Differential circuit compensating gain enhancement due to self heating of transistors | Keiji Tanaka, Yoshiyuki Sugimoto | 2015-01-27 |
| 8737442 | Driver circuit for laser diode outputting pre-emphasized signal | — | 2014-05-27 |
| 8649406 | Shunt driver circuit for laser diode with push pull architecture | — | 2014-02-11 |
| 8571078 | Laser driver and optical transmitter implementing the same | Keiji Tanaka | 2013-10-29 |
| 8405461 | Light receiving circuit with differential output | Keiji Tanaka | 2013-03-26 |
| 8121160 | Driver circuit for semiconductor laser diode driven in differential mode | Katsumi Uesaka | 2012-02-21 |
| 8073030 | Shunt driver circuit for semiconductor laser diode | Keiji Tanaka | 2011-12-06 |
| 7782915 | Optical transmitting module including laser diode mounted on driver circuit | — | 2010-08-24 |
| 7463659 | Can-type optical transmitting module utilizing a laser diode with impedance matching resistors | Hisao Go, Eiji Tsumura, Kiyoshi Kato, Toshiaki Kihara | 2008-12-09 |
| 7457333 | Light-transmitting module capable of responding a high-frequency over 10 GHz | — | 2008-11-25 |
| 7218657 | Optical transmitting module having a can type package and providing a temperature sensor therein | Toshiaki Kihara, Hisao Go, Eiji Tsumura, Kiyoshi Kato | 2007-05-15 |
| 7192201 | Optical transmitting module having a de-coupling inductor therein | Kiyoshi Kato, Hisao Go, Eiji Tsumura, Toshiaki Kihara | 2007-03-20 |
| 7026655 | Light-transmitting module containing an driving device in a package | Hisao Go, Eiji Tsumura, Kiyoshi Kato, Toshiaki Kihara | 2006-04-11 |
| 6791159 | Optical module | Tomokazu Katsuyama | 2004-09-14 |
| 6150677 | Method of crystal growth of compound semiconductor, compound semiconductor device and method of manufacturing the device | So Tanaka, Tatsuya Tanabe, Nobuyuki Ikoma | 2000-11-21 |
| 5952271 | Method for manufacturing oxide superconducting films via laser ablation followed by laser material processing | Tatsuoki Nagaishi, Hideo Itozaki | 1999-09-14 |
| 5672210 | Method and apparatus for manufacturing superconducting components via laser ablation followed by laser material processing | Tatsuoki Nagaishi, Hideo Itozaki | 1997-09-30 |
| 5397769 | Microwave resonator of compound oxide superconductor material having a temperature adjustable heater | Kenjiro Higaki, Hideo Itozaki | 1995-03-14 |
| 5391543 | Microwave resonator of compound oxide superconductor material having a tuning element with a superconductive tip | Kenjiro Higaki, Hideo Itozaki | 1995-02-21 |