Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429657 | Optical device and manufacturing method for optical device | Kazushige Oki, Kazunobu Kobayashi, Hiroshi Hara, Masanobu Kawamura, Satoshi Yoshimura +4 more | 2025-09-30 |
| 11901946 | Optical transmitter | Satoshi Yoshimura, Hiroshi Hara, Masanobu Kawamura | 2024-02-13 |
| 9766483 | Optical transceiver implementing erbium doped fiber amplifier | Eiichi Banno, Takatoshi Kato | 2017-09-19 |
| 9477051 | Optical transceiver having auxiliary area to install Mach-Zehnder modulator | Kazushige Oki | 2016-10-25 |
| 7463659 | Can-type optical transmitting module utilizing a laser diode with impedance matching resistors | Hisao Go, Akihiro Moto, Kiyoshi Kato, Toshiaki Kihara | 2008-12-09 |
| 7317742 | Optical sub-assembly having a thermo-electric cooler and an optical transceiver using the optical sub-assembly | Shin'ichiro Saito | 2008-01-08 |
| 7218657 | Optical transmitting module having a can type package and providing a temperature sensor therein | Toshiaki Kihara, Hisao Go, Kiyoshi Kato, Akihiro Moto | 2007-05-15 |
| 7192201 | Optical transmitting module having a de-coupling inductor therein | Kiyoshi Kato, Hisao Go, Akihiro Moto, Toshiaki Kihara | 2007-03-20 |
| 7026655 | Light-transmitting module containing an driving device in a package | Hisao Go, Akihiro Moto, Kiyoshi Kato, Toshiaki Kihara | 2006-04-11 |
| 6994480 | Optical link module | Takayoshi Inujima, Kazushige Oki, Hiromi Kurashima | 2006-02-07 |
| 6976795 | Optical device and optical module | Hisao Go, Toshiaki Kihara | 2005-12-20 |
| 6755577 | Optical module | Takayoshi Inujima, Kazushige Oki, Hiromi Kurashima | 2004-06-29 |
| 6652160 | Transmission optical module | Takayoshi Inujima | 2003-11-25 |
| 6600611 | Optical module | Takayoshi Inujima, Hiromi Kurashima, Kazushige Oki | 2003-07-29 |
| 6567441 | Source follower circuit, laser driving apparatus, semiconductor laser apparatus, current-voltage convertion circuit, and light receiving circuit | Seigo Furudate, Sosaku Sawada, Hiroshi Hara | 2003-05-20 |