Tsumura; Eiji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsumura; Eiji.The latest application filed is for "optical transceiver implementing erbium doped fiber amplifier".

Company Profile

0.13.13

Tsumura; Eiji - Yokohama JP
TSUMURA; Eiji - Yokohama-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical transceiver implementing erbium doped fiber amplifier Grant 9,766,483 - Banno , et al. September 19, 2	2017-09-19
Optical Transceiver Implementing Erbium Doped Fiber Amplifier App 20170212366 - BANNO; Eiichi ; et al.	2017-07-27
Optical transceiver having auxiliary area to install Mach-Zehnder modulator Grant 9,477,051 - Oki , et al. October 25, 2	2016-10-25
Optical Transceiver Having Auxiliary Area To Install Mach-zehnder Modulator App 20150326319 - OKI; Kazushige ; et al.	2015-11-12
Can-type optical transmitting module utilizing a laser diode with impedance matching resistors Grant 7,463,659 - Go , et al. December 9, 2	2008-12-09
Optical sub-assembly having a thermo-electric cooler and an optical transceiver using the optical sub-assembly Grant 7,317,742 - Saito , et al. January 8, 2	2008-01-08
Optical transmitting module having a can type package and providing a temperature sensor therein Grant 7,218,657 - Kihara , et al. May 15, 2	2007-05-15
Optical transmitting module having a de-coupling inductor therein Grant 7,192,201 - Kato , et al. March 20, 2	2007-03-20
Optical sub-assembly having a thermo-electric cooler and an optical transceiver using the optical sub-assembly App 20060083517 - Saito; Shin'ichiro ; et al.	2006-04-20
Light-transmitting module containing an driving device in a package Grant 7,026,655 - Go , et al. April 11, 2	2006-04-11
Optical link module Grant 6,994,480 - Inujima , et al. February 7, 2	2006-02-07
Optical device and optical module Grant 6,976,795 - Go , et al. December 20, 2	2005-12-20
Optical transmitting module App 20050047460 - Go, Hisao ; et al.	2005-03-03
Optical transmitting module having a CAN type package and providing a temperature sensor therein App 20050047461 - Kihara, Toshiaki ; et al.	2005-03-03
Optical transmitting module having a de-coupling inductor therein App 20050047732 - Kato, Kiyoshi ; et al.	2005-03-03
Light-transmitting module containing an driving device in a package App 20050025438 - Go, Hisao ; et al.	2005-02-03
Optical module Grant 6,755,577 - Inujima , et al. June 29, 2	2004-06-29
Optical device and optical module App 20040120660 - Go, Hisao ; et al.	2004-06-24
Transmission optical module Grant 6,652,160 - Inujima , et al. November 25, 2	2003-11-25
Optical link module App 20030198445 - Inujima, Takayoshi ; et al.	2003-10-23
Optical module Grant 6,600,611 - Inujima , et al. July 29, 2	2003-07-29
Source follower circuit, laser driving apparatus, semiconductor laser apparatus, current-voltage convertion circuit, and light receiving circuit Grant 6,567,441 - Furudate , et al. May 20, 2	2003-05-20
Optical module App 20030063397 - Inujima, Takayoshi ; et al.	2003-04-03
Optical module App 20030063424 - Inujima, Takayoshi ; et al.	2003-04-03
Transmission optical module App 20020159722 - Inujima, Takayoshi ; et al.	2002-10-31
Source follower circuit, laser driving apparatus, semiconductor laser apparatus, current-voltage convertion circuit, and light receiving circuit App 20020118716 - Furudate, Seigo ; et al.	2002-08-29

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