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Inventor

Takuya Ohara

Inventor
Yokosuka, JP

Overview

15→
Patents
2005–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Jprimary
H04JMultiplex communication37%
H04LTransmission of digital information, e.g. telegraphic communication27%
H04BTransmission20%
H04QSelecting7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
H04WWireless communication networks3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
PatentTitleYear
10,743,227Communication system for performing an enhanced handover for a dual connection mobile device202010,250,348Optical transport system and resource optimization method201910,230,457Framer and framing method201910,181,921Framer and framing method201910,122,462Transport apparatus and transport method201810,063,321Framer, optical transmission device, and framing method20189,667,350'Optical receiving device and phase cycle reduction method'20179,438,365'Client signal mapping circuit and mapping method'20169,160,479'Client signal mapping circuit and mapping method'20158,977,120'Client signal accommodating multiplexing apparatus and method'20158,514,881'Digital transmission system and digital transmission method'20137,970,008'Multiplexing transmission system and multiplexing transmission method'20117,386,018'Mode-locked laser and optical multi-carrier source using same'20087,151,897'Optical clock phase-locked loop circuit'20066,842,565'Optical modulation/multiplexing circuit'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2019Patents assigned to NIPPON TELEGRAPH & TELEPHONE (14)· patent assignee history
2005–2008Based in Yokohama, JP· patent location history
2011–2019Based in Yokosuka, JP· patent location history
2013–2015Patents assigned to AISAWA SHIGEKI (3)· patent assignee history
2013–2015Patents assigned to OHARA TAKUYA (3)· patent assignee history
2013–2015Patents assigned to TOMIZAWA MASAHITO (3)· patent assignee history
2015Patents assigned to ONO TAKASHI (2)· patent assignee history
2016Based in Kanagawa, JP· patent location history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE142005–2019
AISAWA SHIGEKI32013–2015
OHARA TAKUYAself32013–2015
TOMIZAWA MASAHITO32013–2015
ONO TAKASHI22015
Locations
LocationPatentsSpan
Yokosuka, JP102011–2019
Yokohama, JP32005–2008
Tokyo, JP12020
Kanagawa, JP12016