Inventor · disambiguated record
Sinkiti Ooka
Also filed as: OOKA SINKITI
2 granted patents·61 citations·filing 1990–1991
65Inventor score
Files withTOA GROUT KOGYO CO2
Top patents by PatentIndex Score
2 records- 0174US5035539ALiner for pipeline repair and method for repairing pipelinesTOA GROUT KOGYO CO·Filed 1990·Granted Jul 30, 1991·46 cites·19 claims
- 0248US5224742AMethod for cutting off water in pipeline and structure of connection portion in pipelineTOA GROUT KOGYO CO·Filed 1991·Granted Jul 6, 1993·15 cites·9 claims
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