Inventor · disambiguated record
Yoichiro Kagawa
Also filed as: KAGAWA YOICHIRO
14 granted patents·3 pending applications·101 citations·filing 1992–2024
90Inventor score
Top patents by PatentIndex Score
17 records- 0189US10744665B2Apparatus for producing microporous plastic filmKAGAWA SEIJI·Filed 2018·Granted Aug 18, 2020·3 cites·8 claims
- 0284US9096013B2Apparatus for forming slant, linear easy-to-tear portions on long plastic filmKAGAWA SEIJI·Filed 2012·Granted Aug 4, 2015·5 cites·11 claims
- 0382US7938998B2Easy-to-straight-tearing thermoplastic resin film and its production method and apparatusKAGAWA SEIJI·Filed 2009·Granted May 10, 2011·5 cites·10 claims
- 0479US9238351B2Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatusKAGAWA SEIJI·Filed 2010·Granted Jan 19, 2016·2 cites·3 claims
- 0576US5648107APorous film manufacturing apparatusKAGAWA SEIJI·Filed 1994·Granted Jul 15, 1997·36 cites·26 claims
- 0676US5352108APorous film and porous film manufacturing apparatusSUDO NORITO·Filed 1992·Granted Oct 4, 1994·38 cites·13 claims
- 0768US9889479B2Method for producing porous metal foilKAGAWA SEIJI·Filed 2014·Granted Feb 13, 2018·2 cites·4 claims
- 0867US9616640B2Composite film of linearly-scratched, thin metal film and plastic film, and its production apparatusKAGAWA SEIJI·Filed 2015·Granted Apr 11, 2017·1 cites·3 claims
- 0964US2025056776A1Electromagnetic-wave-absorbing film and its production apparatus, and near-field electromagnetic wave absorber comprising such electromagnetic-wave-absorbing filmKAGAWA SEIJI·Filed 2024·Application pending·0 cites
- 1061US9968975B2Method and apparatus for producing microporous metal foilKAGAWA SEIJI·Filed 2015·Granted May 15, 2018·0 cites·13 claims
- 1156US2024061474A1Near-field electromagnetic wave absorberKAGAWA SEIJI·Filed 2023·Application pending·0 cites
- 1250US10538027B2Apparatus for producing easy-to-tear plastic filmKAGAWA SEIJI·Filed 2018·Granted Jan 21, 2020·0 cites·11 claims
- 1350US2005233102A1Linearly easy-to-rupture thermoplastic resin film, and method and device for manufacturing the resin filmKAGAWA SEIJI·Filed 2003·Application pending·0 cites
- 1448US10940618B2Apparatus for producing microporous plastic filmKAGAWA SEIJI·Filed 2017·Granted Mar 9, 2021·0 cites·10 claims
- 1548US10538026B2Apparatus for producing microporous plastic filmKAGAWA SEIJI·Filed 2017·Granted Jan 21, 2020·0 cites·11 claims
- 1644US10283284B2Method and apparatus for producing microporous metal foilKAGAWA SEIJI·Filed 2015·Granted May 7, 2019·0 cites·12 claims
- 1744US5451257APorous film and porous film manufacturing apparatusKAGAWA SEIJI·Filed 1994·Granted Sep 19, 1995·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →