Inventor · disambiguated record
Kazuyuki Tajima
Also filed as: TAJIMA KAZUYUKI
62 granted patents·17 pending applications·295 citations·filing 1992–2025
98Inventor score
Top patents by PatentIndex Score
79 records- 0190US8543957B2Optical network design apparatus and methodTAKITA YUTAKA·Filed 2011·Granted Sep 24, 2013·16 cites·11 claims
- 0289US8380077B2Chromatic dispersion compensation design system and chromatic dispersion compensation design methodFUJITSU LTD·Filed 2009·Granted Feb 19, 2013·15 cites·10 claims
- 0384US7830789B2Method for accommodating signal paths to ring networkFUJITSU LTD·Filed 2008·Granted Nov 9, 2010·9 cites·9 claims
- 0483US10951793B2Imaging device, imaging method, and image processing device generating a complex sensor imageHITACHI LTD·Filed 2019·Granted Mar 16, 2021·4 cites·15 claims
- 0583US7751345B2Optical network design method and storage medium for storing design programFUJITSU LTD·Filed 2007·Granted Jul 6, 2010·9 cites·16 claims
- 0682US10659184B2Optical transmission device, optical transmission method and optical transmission systemFUJITSU LTD·Filed 2018·Granted May 19, 2020·3 cites·17 claims
- 0781US9602194B2Transmission device, network designing device, activation method, and network designing methodFUJITSU LTD·Filed 2015·Granted Mar 21, 2017·4 cites·6 claims
- 0881US8027262B2Method and apparatus for keeping track of virtual LAN topology in network of nodesFUJITSU LTD·Filed 2005·Granted Sep 27, 2011·11 cites·11 claims
- 0981US2025097682A1Mobile communication terminal and control method thereforMAXELL LTD·Filed 2024·Application pending·0 cites
- 1080US10649118B2Imaging deviceHITACHI LTD·Filed 2017·Granted May 12, 2020·3 cites·20 claims
- 1178US8705959B2Optical network designing device, method, and programTAKITA YUTAKA·Filed 2011·Granted Apr 22, 2014·4 cites·11 claims
- 1277US12185211B2Mobile communication terminal and control method thereforMAXELL LTD·Filed 2023·Granted Dec 31, 2024·0 cites·20 claims
- 1374US5257311ASystem for monitoring ATM cross-connecting apparatus by inside-apparatus monitoring cellFUJITSU LTD·Filed 1992·Granted Oct 26, 1993·75 cites·11 claims
- 1472US9825728B2Demand accommodation changing order determination methodFUJITSU LTD·Filed 2015·Granted Nov 21, 2017·2 cites·6 claims
- 1571US8270829B2Apparatus and method for designing networkHASHIGUCHI TOMOHIRO·Filed 2009·Granted Sep 18, 2012·4 cites·13 claims
- 1669US10488561B2Imaging deviceHITACHI LTD·Filed 2018·Granted Nov 26, 2019·1 cites·6 claims
- 1769US5265088ACross-connection apparatus for B-ISDNFUJITSU LTD·Filed 1992·Granted Nov 23, 1993·60 cites·8 claims
- 1866US8345538B2Apparatus and method for finding a pair of disjoint paths in a communication networkFUJITSU LTD·Filed 2010·Granted Jan 1, 2013·2 cites·15 claims
- 1966US7761006B2Method for designing optical network, and computer readable mediumFUJITSU LTD·Filed 2007·Granted Jul 20, 2010·3 cites·17 claims
- 2065US6662353B2System and program for estimating person-hours required to prepare a pattern film of a circuit to be printed on a boardOKI ELECTRIC IND CO LTD·Filed 2002·Granted Dec 9, 2003·5 cites·21 claims
- 2163US9602195B2Network design apparatus, network design method, and storage medium storing network design programFUJITSU LTD·Filed 2015·Granted Mar 21, 2017·1 cites·21 claims
- 2263US9270538B2Network design apparatus and network design methodFUJITSU LTD·Filed 2014·Granted Feb 23, 2016·1 cites·6 claims
- 2362US11558121B2Optical transmitter and control method for optical transmitterFUJITSU LTD·Filed 2021·Granted Jan 17, 2023·0 cites·9 claims
- 2462US8275259B2Method for determining value of chromatic dispersion compensationKATAGIRI TORU·Filed 2009·Granted Sep 25, 2012·2 cites·16 claims
- 2562US7660527B2Optical network design methodFUJITSU LTD·Filed 2006·Granted Feb 9, 2010·2 cites·11 claims
- 2661US8121481B2Chromatic dispersion compensation designing method in optical network and a system thereofKATAGIRI TORU·Filed 2009·Granted Feb 21, 2012·2 cites·20 claims
- 2761US8068732B2Network design apparatus and network design methodHASHIGUCHI TOMOHIRO·Filed 2009·Granted Nov 29, 2011·2 cites·18 claims
- 2861US2025240094A1Optical transmission path characteristic estimation deviceFUJITSU LTD·Filed 2024·Application pending·0 cites
- 2961US2023393021A1Device and method for monitoring optical transmission lineFUJITSU LTD·Filed 2023·Application pending·0 cites
- 3059US8078701B2Network design and determination of the arrangement of optical transmission devices in respective network stationsHASHIGUCHI TOMOHIRO·Filed 2008·Granted Dec 13, 2011·2 cites·14 claims
- 3159US2025309981A1Optical transmission path monitoring device and optical transmission path monitoring methodFUJITSU LTD·Filed 2025·Application pending·0 cites
- 3258US12438610B2Device and method for estimating characteristics of optical fiber transmission lineFUJITSU LTD·Filed 2023·Granted Oct 7, 2025·0 cites·11 claims
- 3358US8676947B2Resource reservation apparatus and methodTAJIMA KAZUYUKI·Filed 2009·Granted Mar 18, 2014·1 cites·15 claims
- 3458US7679467B2Voltage controlled oscillatorOKI SEMICONDUCTOR CO LTD·Filed 2006·Granted Mar 16, 2010·5 cites·4 claims
- 3556US11570599B2Mobile communication terminal and control method thereforMAXELL LTD·Filed 2016·Granted Jan 31, 2023·0 cites·15 claims
- 3655US10812734B2Imaging deviceHITACHI LTD·Filed 2019·Granted Oct 20, 2020·0 cites·9 claims
- 3755US2025062835A1Transmission line parameter estimation apparatus and transmission line parameter estimation methodFUJITSU LTD·Filed 2024·Application pending·0 cites
- 3854US12461597B2Work support system and work support methodHITACHI LTD·Filed 2023·Granted Nov 4, 2025·0 cites·9 claims
- 3953US12387426B2Three-dimensional grid-based data processing device and three-dimensional grid-based data processing methodHITACHI LTD·Filed 2023·Granted Aug 12, 2025·0 cites·12 claims
- 4053US11900669B2Calibration device and calibration methodHITACHI LTD·Filed 2021·Granted Feb 13, 2024·0 cites·10 claims
- 4152US2023410455A1Image generation apparatus, image generation system, and image generation methodHITACHI LTD·Filed 2023·Application pending·0 cites
- 4251US11742978B2Optical network device and method for monitoring transmission lineFUJITSU LTD·Filed 2021·Granted Aug 29, 2023·0 cites·16 claims
- 4351US10863120B2Imaging device, imaging module, and imaging methodHITACHI LTD·Filed 2019·Granted Dec 8, 2020·0 cites·6 claims
- 4451US7853226B2Peak-hold circuit and signal strength indicator using the peak-hold circuitOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Dec 14, 2010·2 cites·17 claims
- 4550US6741766B2Optical switch deviceFUJITSU LTD·Filed 2002·Granted May 25, 2004·2 cites·10 claims
- 4650US5408476AOne bit error correction method having actual data reproduction functionFUJITSU LTD·Filed 1993·Granted Apr 18, 1995·16 cites·6 claims
- 4749US6658009B1Band allocation method and transmission system for transmitting variable-length packetsFUJITSU LTD·Filed 1999·Granted Dec 2, 2003·12 cites·15 claims
- 4848US10999659B2Optical network device and method for monitoring transmission lineFUJITSU LTD·Filed 2020·Granted May 4, 2021·0 cites·14 claims
- 4948US2009196202A1Transmitting apparatus and path setting methodFUJITSU LTD·Filed 2009·Application pending·0 cites
- 5047US10027407B2Device and method for designing optical networkFUJITSU LTD·Filed 2017·Granted Jul 17, 2018·0 cites·11 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →