| Patent | Date |
|---|
Semiconductor Device
App 20220059495 - TATSUMI; Taizo | 2022-02-24 |
High-frequency Switch Circuit And Front-end Circuit Including Same
App 20210320389 - TATSUMI; Taizo | 2021-10-14 |
Driving circuit for optical device
Grant 11,126,017 - Tatsumi September 21, 2 | 2021-09-21 |
Driving Circuit For Optical Device
App 20210141247 - TATSUMI; Taizo | 2021-05-13 |
Optical receiver circuit
Grant 10,958,355 - Tatsumi March 23, 2 | 2021-03-23 |
Driving Circuit For Optical Modulator
App 20200241331 - TATSUMI; Taizo | 2020-07-30 |
Optical Receiver Circuit
App 20200145114 - TATSUMI; Taizo | 2020-05-07 |
Drive circuit
Grant 10,642,076 - Tatsumi | 2020-05-05 |
Driver circuit
Grant 10,511,274 - Tatsumi Dec | 2019-12-17 |
Driver circuit for optical transmitter
Grant 10,405,424 - Tatsumi Sep | 2019-09-03 |
Integrated circuit device
Grant 10,396,719 - Itabashi , et al. A | 2019-08-27 |
Driving circuit for optical modulator
Grant 10,345,627 - Tatsumi July 9, 2 | 2019-07-09 |
Optical Modulation Apparatus
App 20190094647 - TATSUMI; Taizo ; et al. | 2019-03-28 |
Optical modulation device
Grant 10,241,378 - Furuya , et al. | 2019-03-26 |
Drive Circuit
App 20180356654 - TATSUMI; Taizo | 2018-12-13 |
Integrated Circuit Device
App 20180342987 - Itabashi; Naoki ; et al. | 2018-11-29 |
Driver Circuit
App 20180287575 - TATSUMI; Taizo | 2018-10-04 |
Driving Circuit For Optical Modulator
App 20180210239 - TATSUMI; Taizo | 2018-07-26 |
Driver Circuit For Optical Transmitter
App 20180160532 - TATSUMI; Taizo | 2018-06-07 |
Trans-impedance amplifier and optical receiver including the same
Grant 9,954,622 - Sugimoto , et al. April 24, 2 | 2018-04-24 |
Optical Modulation Device
App 20180039152 - FURUYA; Akira ; et al. | 2018-02-08 |
Traveling wave amplifier for driving optical modulator
Grant 9,825,709 - Tatsumi November 21, 2 | 2017-11-21 |
Traveling-wave amplifier
Grant 9,698,023 - Itabashi , et al. July 4, 2 | 2017-07-04 |
Trans-impedance Amplifier And Optical Receiver Including The Same
App 20170163352 - SUGIMOTO; Yoshiyuki ; et al. | 2017-06-08 |
Travelling wave amplifier (TWA) for driving optical modulator
Grant 9,641,136 - Tatsumi May 2, 2 | 2017-05-02 |
Differential amplifier
Grant 9,608,581 - Itabashi , et al. March 28, 2 | 2017-03-28 |
Differential amplifier
Grant 9,590,576 - Tatsumi March 7, 2 | 2017-03-07 |
Driving circuit for driving non-linear optical modulator by signal having plural logic levels
Grant 9,584,222 - Tatsumi February 28, 2 | 2017-02-28 |
Traveling Wave Amplifier For Driving Optical Modulator
App 20160380699 - TATSUMI; Taizo | 2016-12-29 |
Optical modulator driver
Grant 9,500,886 - Tatsumi November 22, 2 | 2016-11-22 |
Differential Amplifier
App 20160285427 - ITABASHI; Naoki ; et al. | 2016-09-29 |
Traveling wave amplifier providing cascade units each including a dynamic cascade transistor whose collector output is fed back to its base input
Grant 9,369,100 - Tatsumi June 14, 2 | 2016-06-14 |
Optical Modulator Driver
App 20160070123 - TATSUMI; Taizo | 2016-03-10 |
Traveling-wave Amplifier
App 20160072462 - ITABASHI; Naoki ; et al. | 2016-03-10 |
Differential Amplifier
App 20160072460 - TATSUMI; Taizo | 2016-03-10 |
Travelling Wave Amplifier (twa) For Driving Optical Modulator
App 20160065154 - TATSUMI; Taizo | 2016-03-03 |
Detection circuit for detecting signal amplitude
Grant 9,276,567 - Tatsumi March 1, 2 | 2016-03-01 |
Differential amplifier
Grant 9,246,440 - Itabashi , et al. January 26, 2 | 2016-01-26 |
Driver circuit configured with travelling wave amplifier
Grant 9,182,617 - Tatsumi , et al. November 10, 2 | 2015-11-10 |
Driving Circuit For Driving Non-linear Optical Modulator By Signal Having Plural Logic Levels
App 20150263812 - TATSUMI; Taizo | 2015-09-17 |
Driver for electro-absorption modulator
Grant 9,116,367 - Tatsumi , et al. August 25, 2 | 2015-08-25 |
Optical modulator module and semiconductor optical modulator
Grant 9,046,703 - Fukuda , et al. June 2, 2 | 2015-06-02 |
Detection Circuit For Detecting Signal Amplitude
App 20150084674 - TATSUMI; Taizo | 2015-03-26 |
Traveling wave amplifier with suppressed jitter
Grant 8,907,722 - Tatsumi , et al. December 9, 2 | 2014-12-09 |
Travelling Wave Amplifier Providing Cascade Units Each Including Dynamic Cascade Transistor Whose Collector Output Fed-back To Base Input
App 20140333374 - TATSUMI; Taizo | 2014-11-13 |
Optical Modulator Module And Semiconductor Optical Modulator
App 20140241659 - FUKUDA; Chie ; et al. | 2014-08-28 |
Differential amplifier with function of variable gain and optical receiver implemented with the same
Grant 8,816,772 - Sugimoto , et al. August 26, 2 | 2014-08-26 |
Driver For Electro-absorption Modulator
App 20140233083 - TATSUMI; Taizo ; et al. | 2014-08-21 |
Common base circuit with output compensation, current-to-voltage circuit configured with common base amplifier, and optical receiver implemented with the same
Grant 8,731,412 - Ito , et al. May 20, 2 | 2014-05-20 |
Variable gain amplifier compensating frequency response thereof
Grant 8,729,452 - Tatsumi May 20, 2 | 2014-05-20 |
Differential Amplifier
App 20140132348 - ITABASHI; Naoki ; et al. | 2014-05-15 |
Traveling Wave Amplifier With Suppressed Jitter
App 20130307619 - TATSUMI; Taizo ; et al. | 2013-11-21 |
Driver Circuit Configured With Travelling Wave Amplifier
App 20130229699 - TATSUMI; Taizo ; et al. | 2013-09-05 |
Common Base Circuit With Output Compensation, Current-to-voltage Circuit Configured With Common Base Amplifier, And Optical Receiver Implemented With The Same
App 20120121273 - ITO; Makoto ; et al. | 2012-05-17 |
Differential Amplifier With Function Of Variable Gain And Optical Receiver Implemented With The Same
App 20120018622 - SUGIMOTO; Yoshiyuki ; et al. | 2012-01-26 |
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