Issued Patents All Time
Showing 51–75 of 139 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9096813 | Grease composition | Yasushi Kawamura | 2015-08-04 |
| 9046703 | Optical modulator module and semiconductor optical modulator | Chie Fukuda, Naoya KONO, Morihiro Seki, Kazuhiro Yamaji, Yasuyuki Yamauchi +2 more | 2015-06-02 |
| 9029474 | Process for production of surface-modified polymer structures | Masaaki Ozawa, Keisuke Odoi, Hironori Atarashi, Kei-ichi Akabori, Toshihiko Nagamura | 2015-05-12 |
| 9030257 | Differential circuit compensated with self-heating effect of active device | Naoki Itabashi, Yoshiyuki Sugimoto, Makoto Ito | 2015-05-12 |
| 8957709 | Driver circuit powered by two power supplies sequentially activated | Naoki Itabashi | 2015-02-17 |
| 8953650 | Method to control emission wavelength of tunable laser diode | Tomoko IKAGAWA | 2015-02-10 |
| 8941440 | Differential circuit compensating gain enhancement due to self heating of transistors | Akihiro Moto, Yoshiyuki Sugimoto | 2015-01-27 |
| 8907722 | Traveling wave amplifier with suppressed jitter | Taizo TATSUMI, Sosaku Sawada | 2014-12-09 |
| 8766728 | Trans-impedance amplifier with enhanced dynamic range but invariable input impedance | Makoto Ito, Yoshiyuki Sugimoto | 2014-07-01 |
| 8721295 | Vacuum pump self-diagnosis method, vacuum pump self-diagnosis system, and vacuum pump central monitoring system | Tetsuro Sugiura, Toshiharu Nakazawa, Koichi Kido, Tomoyuki Yamazaki | 2014-05-13 |
| 8704592 | Traveling wave amplifier with pre-emphasis function | Taizou Tatsumi, Sosaku Sawada | 2014-04-22 |
| 8571078 | Laser driver and optical transmitter implementing the same | Akihiro Moto | 2013-10-29 |
| 8405461 | Light receiving circuit with differential output | Akihiro Moto | 2013-03-26 |
| 8406262 | LD-driver improving falling edge of driving signal | — | 2013-03-26 |
| 8385752 | Laser diode driver with back terminator and optical transmitter providing the same | — | 2013-02-26 |
| 8358938 | Optical receiver able to prevent LOS alarm from malfunctioning | — | 2013-01-22 |
| 8301033 | LD driver with an improved falling edge of driving signal and optical transmitter providing the same | — | 2012-10-30 |
| 8242063 | Lubricating grease composition | Yasushi Kawamura, Toshiki Satou | 2012-08-14 |
| 8121161 | Laser diode driver driven in shunt mode by signals complementary to each other | — | 2012-02-21 |
| 8073030 | Shunt driver circuit for semiconductor laser diode | Akihiro Moto | 2011-12-06 |
| 7917043 | Optical receiver applicable to multiple transmission speed | Seigo Furudate | 2011-03-29 |
| 7912380 | Optical receiver | Katsumi Uesaka | 2011-03-22 |
| 7902713 | Self-starting type permanent magnet synchronous motor and a compressor using the same | Satoshi Kikuchi, Hiroyuki Mikami, Akeshi Takahashi, Tomio Yoshikawa, Masashi Miyake +4 more | 2011-03-08 |
| 7897550 | Urea grease composition for constant velocity joints | Yasushi Kawamura, Takumi Matsumoto, Kazuhiro Miyajima, Tetsuo Nimura, Kazushige Ohmura +2 more | 2011-03-01 |
| 7867956 | Urea-based lubricating grease composition | Toshihiro Asakura, Yasushi Kawamura, Hirofumi Kuwabara, Takahiro Ozaki, Shigeyuki Sugimori | 2011-01-11 |