Assignee
TSUTSUNAKA PLASTIC KOGYO
JP·7 granted patents·170 citations·filing 1991–1999
Top patents by PatentIndex Score
7 records- 0178US6024904AMethod of making an antifogging window plate of synthetic resinsTSUTSUNAKA PLASTIC KOGYO·Filed 1997·Granted Feb 15, 2000·60 cites·16 claims
- 0270US5789057ASheet blow molding and molding methodTSUTSUNAKA PLASTIC KOGYO·Filed 1996·Granted Aug 4, 1998·42 cites·4 claims
- 0359US5147697APolyvinyl chloride pipe for the inner lining of existing pipesTSUTSUNAKA PLASTIC KOGYO·Filed 1991·Granted Sep 15, 1992·19 cites·6 claims
- 0455US5962309AExtruded foamed polyolefin resin carrier for microorganisms in a fluidized bedTSUTSUNAKA PLASTIC KOGYO·Filed 1998·Granted Oct 5, 1999·22 cites·16 claims
- 0552US6338232B1Waterproof sheet fixing member and method of fixing the sameTSUTSUNAKA PLASTIC KOGYO·Filed 1999·Granted Jan 15, 2002·19 cites·40 claims
- 0632US5160476AMethod for producing a resin pipe for use as the inner lining of existing pipesTSUTSUNAKA PLASTIC KOGYO·Filed 1991·Granted Nov 3, 1992·7 cites·9 claims
- 0721US5733488AMethod of making a foamable filmTSUTSUNAKA PLASTIC KOGYO·Filed 1996·Granted Mar 31, 1998·1 cites·8 claims
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