Inventor · disambiguated record
Hiroyuki Tachikawa
Also filed as: TACHIKAWA HIROYUKI
20 granted patents·1 pending application·310 citations·filing 1992–2017
95Inventor score
Top patents by PatentIndex Score
21 records- 0196US8853585B2Electromagnetic contractorTACHIKAWA HIROYUKI·Filed 2012·Granted Oct 7, 2014·33 cites·11 claims
- 0291US8816801B2Contact mechanism and electromagnetic contactor using the sameTACHIKAWA HIROYUKI·Filed 2012·Granted Aug 26, 2014·12 cites·6 claims
- 0390US8749331B2Electromagnetic contactorKASHIMURA OSAMU·Filed 2012·Granted Jun 10, 2014·16 cites·7 claims
- 0490US5985510AEnergy beam curable epoxy resin composition, stereolithographic resin composition and stereolithographic methodASAHI DENKA KOGYO KK·Filed 1997·Granted Nov 16, 1999·56 cites·7 claims
- 0588US8797129B2Electromagnetic contactorNAKA YASUHIRO·Filed 2012·Granted Aug 5, 2014·8 cites·6 claims
- 0688US6368769B1Aromatic sulfonium compounds, photoacid generators comprising the same, photopolymerizable compositions containing the same, stereolithographic resin compositions, and stereolithographic processASAHI DENKI KOGYO KABUSHIKI KA·Filed 1998·Granted Apr 9, 2002·76 cites·16 claims
- 0787US8901445B2Magnetic contactorTACHIKAWA HIROYUKI·Filed 2011·Granted Dec 2, 2014·8 cites·8 claims
- 0884US8836456B2Electromagnetic contactorTACHIKAWA HIROYUKI·Filed 2012·Granted Sep 16, 2014·6 cites·10 claims
- 0983US9673008B2Electromagnetic switchFUJI ELECTRIC CO LTD·Filed 2014·Granted Jun 6, 2017·5 cites·7 claims
- 1083US9543102B2Electromagnetic switch and contact position regulating method thereofFUJI ELECTRIC FA COMPONENTS & SYSTEMS CO LTD·Filed 2014·Granted Jan 10, 2017·5 cites·17 claims
- 1180US8760247B2Electromagnetic contactorISOZAKI MASARU·Filed 2012·Granted Jun 24, 2014·6 cites·6 claims
- 1270US9653222B2Contact device, and electromagnetic switch in which the contact device is usedFUJI ELECTRIC CO LTD·Filed 2014·Granted May 16, 2017·2 cites·10 claims
- 1368US9202652B2Electromagnetic contactorNAKA YASUHIRO·Filed 2012·Granted Dec 1, 2015·2 cites·14 claims
- 1462US7611817B2Aromatic sulfonium salt compound, photo-acid generator comprising the same and photopolymerizable composition containing the same, resin composition for optical three-dimensional shaping, and method of optically forming three-dimensional shapeADEKA CORP·Filed 2003·Granted Nov 3, 2009·36 cites·10 claims
- 1561US9378914B2Contact device and electromagnetic contactor using the sameFUJI ELECTRIC CO LTD·Filed 2012·Granted Jun 28, 2016·1 cites·2 claims
- 1652US6319652B1Energy beam curable epoxy resin compositionASAHI OPTICAL CO LTD·Filed 1999·Granted Nov 20, 2001·13 cites·5 claims
- 1750US5178996AMethod of making photographic element having epoxy overlayerKONISHIROKU PHOTO IND·Filed 1992·Granted Jan 12, 1993·15 cites·9 claims
- 1844US6348523B1Curable compositionASAHI DENKA KOGYO KK·Filed 1999·Granted Feb 19, 2002·10 cites·4 claims
- 1944US2007148555A1Nonaqueous electrolyte composition and nonaqueous electrolyte secondary battery using the sameADEKA CORP·Filed 2005·Application pending·0 cites
- 2043US10056200B2Electromagnetic contactorFUJI ELECTRIC CO LTD·Filed 2012·Granted Aug 21, 2018·0 cites·1 claims
- 2127US10840859B2Amplification apparatusTOKYO KEIKI INC·Filed 2017·Granted Nov 17, 2020·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Tachikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →