Inventor
Yutaka Takita
Inventor
Kawasaki, JP
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Jprimary
H04JMultiplex communication35%
H04BTransmission23%
H04LTransmission of digital information, e.g. telegraphic communication17%
H04QSelecting14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G06FElectric digital data processing3%
G02BOptical elements, systems or apparatus1%
H03KPulse technique1%
PatentTitleYear
10,659,184Optical transmission device, optical transmission method and optical transmission system202010,341,041Method and device for assisting wavelength reallocation in wavelength division multiplexing optical network201910,158,422Apparatus and method for estimating optical transmission performance201810,116,387Control device, optical transmission system, and method for controlling optical transmission system201810,090,923Information processing apparatus, wavelength defragmentation method, and non-transitory recording medium recording wavelength defragmentation program201810,027,407Device and method for designing optical network20189,825,728'Demand accommodation changing order determination method'20179,602,194'Transmission device, network designing device, activation method, and network designing method'20179,602,195'Network design apparatus, network design method, and storage medium storing network design program'20179,495,510'Recording medium, accommodation design device, and accommodation design method'20169,281,914'Apparatus and method for designing a network transmitting wavelength multiplexed optical signals'20169,270,538'Network design apparatus and network design method'20169,160,474'Method and apparatus for designing network'20159,077,480'Demand accommodation designing system and method'20159,071,384'Network design apparatus, network design method, and storage medium storing network design program'20158,948,597'Network design apparatus'20158,805,199'Dispersion compensation design method and dispersion compensation design system'20148,781,329'Dispersion compensation design method and dispersion compensation design system'20148,737,839'Network design apparatus, method, and computer product'20148,705,959'Optical network designing device, method, and program'20148,706,882'Apparatus and method for allocating devices to a communication route'20148,565,596'Apparatus for supporting designing of optical network, process for designing optical network, and computer-readable, non-transitory medium storing network design program'20138,543,957'Optical network design apparatus and method'20138,406,626'Optical-network design apparatus'20138,380,077'Chromatic dispersion compensation design system and chromatic dispersion compensation design method'20138,345,538'Apparatus and method for finding a pair of disjoint paths in a communication network'20138,315,161'Network design device and network design method'20128,275,259'Method for determining value of chromatic dispersion compensation'20128,270,829'Apparatus and method for designing network'20128,249,453'Optical communication system'20128,190,031'Optical network design apparatus and dispersion compensation design method'20128,121,477'Optical node apparatus'20128,121,481'Chromatic dispersion compensation designing method in optical network and a system thereof'20128,068,732'Network design apparatus and network design method'20118,032,028'Optical add/drop device'20117,613,394'Optical switching device'20097,598,781'Capacitive load driving device'20097,405,859'Method and apparatus for selecting wavelength'20087,315,557'Multi-wavelength light source apparatus'20087,308,168'Optical switch apparatus and control information updating method therein'20077,088,491'Pulse generating apparatus and method'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2020Patents assigned to FUJITSU LTD (41)· patent assignee history
2006–2020Based in Kawasaki, JP· patent location history
2011–2015Patents assigned to TAKITA YUTAKA (19)· patent assignee history
2011–2015Patents assigned to HASHIGUCHI TOMOHIRO (17)· patent assignee history
2011–2015Patents assigned to TAJIMA KAZUYUKI (17)· patent assignee history
2011–2014Patents assigned to KATAGIRI TORU (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 41 | 2006–2020 |
| TAKITA YUTAKAself | 19 | 2011–2015 |
| HASHIGUCHI TOMOHIRO | 17 | 2011–2015 |
| TAJIMA KAZUYUKI | 17 | 2011–2015 |
| KATAGIRI TORU | 10 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 41 | 2006–2020 |