Inventor · disambiguated record
Masakatsu Mayumi
Also filed as: MAYUMI MASAKATSU
5 granted patents·52 citations·filing 1978–1981
79Inventor score
Files withSEIKISUI CHEMICAL CO LTD5
Top patents by PatentIndex Score
5 records- 0171US4243457AMethod of molding pipe joints of reinforced resinSEIKISUI CHEMICAL CO LTD·Filed 1978·Granted Jan 6, 1981·27 cites·2 claims
- 0250US4260445AProcess for producing thick reinforced plastic articlesSEIKISUI CHEMICAL CO LTD·Filed 1978·Granted Apr 7, 1981·13 cites·7 claims
- 0338US4364894AMethod for molding a reinforced plastic tubular body having a socket, and mold thereforeSEIKISUI CHEMICAL CO LTD·Filed 1981·Granted Dec 21, 1982·6 cites·8 claims
- 0430US4345625APipe joints of reinforced resin and process for their moldingSEIKISUI CHEMICAL CO LTD·Filed 1980·Granted Aug 24, 1982·4 cites·1 claims
- 0528US4384839ACore mold for bent pipesSEIKISUI CHEMICAL CO LTD·Filed 1981·Granted May 24, 1983·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →