Inventor · disambiguated record
Katsuhiro Shirai
Also filed as: SHIRAI KATSUHIRO
15 granted patents·1 pending application·77 citations·filing 1996–2019
89Inventor score
Top patents by PatentIndex Score
16 records- 0177US10945412B2Method of protecting teat openingTOKUYAMA CORP·Filed 2019·Granted Mar 16, 2021·0 cites·12 claims
- 0277US10531640B2Teat opening protection patch for livestockTOKUYAMA CORP·Filed 2017·Granted Jan 14, 2020·1 cites·10 claims
- 0377US6661947B2Optical transmitting apparatus and optical repeating apparatusFUJITSU LTD·Filed 2002·Granted Dec 9, 2003·17 cites·42 claims
- 0467US10980215B2Teat opening protection patch for livestockTOKUYAMA CORP·Filed 2019·Granted Apr 20, 2021·0 cites·13 claims
- 0563US8965197B2Method of switching optical transport network and node deviceSHIRAI KATSUHIRO·Filed 2012·Granted Feb 24, 2015·2 cites·4 claims
- 0663US5905585AOptical bidirectional transmission system and method having transmission-line-disconnection detecting functionFUJITSU LTD·Filed 1996·Granted May 18, 1999·35 cites·10 claims
- 0752US2022133459A1Protective patch application auxiliary tool and protective patch application method using the sameTOKUYAMA CORP·Filed 2019·Application pending·0 cites
- 0850US9197347B2Optical transmission system and noise suppression methodNAKASHIMA MINESHI·Filed 2012·Granted Nov 24, 2015·1 cites·6 claims
- 0946US8228788B2Network connection device and signal processing method in the network connection deviceSHIRAI KATSUHIRO·Filed 2009·Granted Jul 24, 2012·0 cites·9 claims
- 1046US5760936AOptical line switch device enabling connection of non-doubled optical transmission apparatus with doubled bidirectional optical linkFUJITSU LTD·Filed 1996·Granted Jun 2, 1998·10 cites·37 claims
- 1145US8681785B2Communication apparatus and path setting control methodSHIRAI KATSUHIRO·Filed 2009·Granted Mar 25, 2014·0 cites·6 claims
- 1245US6924927B2Optical transmitting apparatus and optical repeating apparatusFUJITSU LTD·Filed 2003·Granted Aug 2, 2005·0 cites·11 claims
- 1343US8320278B2Communication device, system and method to form communication routeTAKEGUCHI KOJI·Filed 2009·Granted Nov 27, 2012·0 cites·20 claims
- 1441US9755756B2Transmission device, transmission system, and transmission methodFUJITSU LTD·Filed 2015·Granted Sep 5, 2017·0 cites·13 claims
- 1539US6169615B1Wavelength division multiplex optical transmission apparatusFUJITSU LTD·Filed 1998·Granted Jan 2, 2001·8 cites·40 claims
- 1630US5861974ATransmission device connected to optical transmission lineFUJITSU LTD·Filed 1997·Granted Jan 19, 1999·3 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →