Inventor
Tomohiro Hashiguchi
Inventor
Kawasaki, JP
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Jprimary
H04JMultiplex communication34%
H04LTransmission of digital information, e.g. telegraphic communication24%
H04BTransmission19%
H04QSelecting15%
G06FElectric digital data processing3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein1%
G09GArrangements or circuits for control of indicating devices using static means to present variable information1%
H10DInorganic electric semiconductor devices1%
PatentTitleYear
11,126,049Display apparatus202110,341,041Method and device for assisting wavelength reallocation in wavelength division multiplexing optical network201910,027,407Device and method for designing optical network20189,825,728'Demand accommodation changing order determination method'20179,602,195'Network design apparatus, network design method, and storage medium storing network design program'20179,602,194'Transmission device, network designing device, activation method, and network designing method'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'20148,706,882'Apparatus and method for allocating devices to a communication route'20148,705,959'Optical network designing device, method, and program'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'20128,190,031'Optical network design apparatus and dispersion compensation design method'20128,121,481'Chromatic dispersion compensation designing method in optical network and a system thereof'20128,078,701'Network design and determination of the arrangement of optical transmission devices in respective network stations'20118,068,732'Network design apparatus and network design method'20117,830,789'Method for accommodating signal paths to ring network'20107,761,006'Method for designing optical network, and computer readable medium'20107,751,345'Optical network design method and storage medium for storing design program'20107,660,527'Optical network design method'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2019Patents assigned to FUJITSU LTD (33)· patent assignee history
2010–2015Based in Kawasaki, JP· patent location history
2011–2015Patents assigned to HASHIGUCHI TOMOHIRO (18)· patent assignee history
2011–2015Patents assigned to TAJIMA KAZUYUKI (18)· patent assignee history
2011–2015Patents assigned to TAKITA YUTAKA (17)· patent assignee history
2011–2014Patents assigned to KATAGIRI TORU (11)· patent assignee history
2015–2019Based in Inagi, JP· patent location history
2016Based in Inagl, JP· patent location history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 33 | 2010–2019 |
| HASHIGUCHI TOMOHIROself | 18 | 2011–2015 |
| TAJIMA KAZUYUKI | 18 | 2011–2015 |
| TAKITA YUTAKA | 17 | 2011–2015 |
| KATAGIRI TORU | 11 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 22 | 2010–2015 |
| Inagi, JP | 10 | 2015–2019 |
| Tokyo, JP | 1 | 2021 |
| Inagl, JP | 1 | 2016 |