Assignee
NISSHIN KAGAKU KOGYO KK
JP·8 granted patents·71 citations·filing 1982–1997
Top patents by PatentIndex Score
8 records- 0156US4770941AMagnetic recording medium and a coating composition thereforNISSHIN KAGAKU KOGYO KK·Filed 1986·Granted Sep 13, 1988·13 cites·4 claims
- 0249US4749031AHeat exchanging device having baffles and fluorocarbon tubesNISSHIN KAGAKU KOGYO KK·Filed 1987·Granted Jun 7, 1988·14 cites·4 claims
- 0342US5522522ATank lined with a chemical-resistant sheetNISSHIN KAGAKU KOGYO KK·Filed 1994·Granted Jun 4, 1996·14 cites·7 claims
- 0439US4538678AHeat exchanging deviceNISSHIN KAGAKU KOGYO KK·Filed 1982·Granted Sep 3, 1985·8 cites·10 claims
- 0537US5944937AChemically resistant sheet and method for makingNISSHIN KAGAKU KOGYO KK·Filed 1997·Granted Aug 31, 1999·8 cites·2 claims
- 0633US5688580AInterior material for tunnels and tunnel interior constructionNISSHIN KAGAKU KOGYO KK·Filed 1996·Granted Nov 18, 1997·5 cites·11 claims
- 0733US5556676ATunnel interior constructionNISSHIN KAGAKU KOGYO KK·Filed 1993·Granted Sep 17, 1996·5 cites·3 claims
- 0830US4671343AHeat exchanger having spirally wound tubesNISSHIN KAGAKU KOGYO KK·Filed 1985·Granted Jun 9, 1987·4 cites·4 claims
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