Assignee
KOJIMA NORIATSU
7 granted patents·704 citations·filing 1975–1998
Top patents by PatentIndex Score
7 records- 0196US4181330AHorn shaped multi-inlet pipe fittingKOJIMA NORIATSU·Filed 1977·Granted Jan 1, 1980·540 cites·6 claims
- 0294US4298206AFlexible packing for sealing pipeline jointsKOJIMA NORIATSU·Filed 1975·Granted Nov 3, 1981·98 cites·28 claims
- 0357US4252348AFlanged pipe jointsKOJIMA NORIATSU·Filed 1978·Granted Feb 24, 1981·20 cites·7 claims
- 0453US6056014ADrainage collective pipe jointKOJIMA NORIATSU·Filed 1998·Granted May 2, 2000·22 cites·17 claims
- 0536US5415438ADrainage vertical tube jointKOJIMA NORIATSU·Filed 1993·Granted May 16, 1995·10 cites·2 claims
- 0634US5887913APipe joint structureKOJIMA NORIATSU·Filed 1996·Granted Mar 30, 1999·10 cites·11 claims
- 0731US4229923AMethod of connecting pipes and flanged pipe joints used thereinKOJIMA NORIATSU·Filed 1977·Granted Oct 28, 1980·4 cites·2 claims
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