Inventor · disambiguated record
Keizo Kawahara
Also filed as: KAWAHARA KEIZO
9 granted patents·6 pending applications·84 citations·filing 1988–2006
86Inventor score
Top patents by PatentIndex Score
15 records- 0180US5124736AProcess and apparatus for developing photopolymer platesTOYO BOSEKI·Filed 1990·Granted Jun 23, 1992·40 cites·6 claims
- 0268US4946752AFlexographic cured printing plate comprising a chlorinated polymer and a hydrophilic polymerTOYO BOSEKI·Filed 1988·Granted Aug 7, 1990·18 cites·8 claims
- 0355US8314203B2Polyimide filmTSUTSUMI MASAYUKI·Filed 2004·Granted Nov 20, 2012·11 cites·17 claims
- 0454US6558870B1Water-washable photosensitive flexo plate and printing plateTOYO BOSEKI·Filed 2000·Granted May 6, 2003·2 cites·8 claims
- 0551US7544414B2Oriented syndiotactic polystyrene-base filmTOYO BOSEKI·Filed 2003·Granted Jun 9, 2009·5 cites·10 claims
- 0650US2002102419A1Polyester film, use thereof and metal laminated sheet made of said film, and metal can and metal lid made of the sheetTOYO BOSEKI·Filed 2001·Application pending·0 cites
- 0744US5372913APhotosensitive resin compositionTOYO BOSEKI·Filed 1992·Granted Dec 13, 1994·6 cites·6 claims
- 0841US8167600B2Apparatus for producing polymer film and process for producing polymer filmFUJITA SHINJI·Filed 2006·Granted May 1, 2012·0 cites·12 claims
- 0940US2001005569A1Photosensitive resin compositionFiled 2000·Application pending·0 cites
- 1040US2009056981A1Thin film-laminated polyimide film and flexible printed wiring boardTOYO BOSEKI·Filed 2005·Application pending·0 cites
- 1139US2007293588A1Curable CompositionTOYO BOSEKI·Filed 2004·Application pending·0 cites
- 1238US2009056995A1Adhesive sheet, metal-laminated sheet and printed wiring boardTOYO BOSEKI KABUSHIKI KASIHA·Filed 2005·Application pending·0 cites
- 1335US2006138042A1Heat-resistant film and composite ion-exchange membraneOKAMOTO KAZUTAKE·Filed 2003·Application pending·0 cites
- 1434US9931822B2Polyester film, use thereof and metal laminated sheet made of said film, and metal can and metal lid made of the sheetKAWAHARA KEIZO·Filed 2004·Granted Apr 3, 2018·0 cites·5 claims
- 1530US5424172APhotosensitive resin compositionTOYO BOSEKI·Filed 1992·Granted Jun 13, 1995·2 cites·10 claims
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