Inventor · disambiguated record
Fumito Yamai
Also filed as: NAKAYAMA SHINPEI · YAMAI FUMITO
10 granted patents·258 citations·filing 1975–2016
90Inventor score
Files withSEKISUI PLASTICS4SEIKISUI CHEMICAL CO LTD2SEKISUI CHEMICAL CO LTD2OGATA NAOYA1PIOTREK CO LTD1
Top patents by PatentIndex Score
10 records- 0187US4080344AProcess for the production of expandable ethylenically unsaturated polymer particlesSEKISUI PLASTICS·Filed 1975·Granted Mar 21, 1978·41 cites·9 claims
- 0285US9979037B2Process for producing fluorine containing polymerPIOTREK CO LTD·Filed 2016·Granted May 22, 2018·4 cites·11 claims
- 0378US4771105AWater-absorbent resin and process for producing the sameSEKISUI PLASTICS·Filed 1987·Granted Sep 13, 1988·140 cites·9 claims
- 0475US4091054AProcess of preparing styrenic polymer particlesSEIKISUI CHEMICAL CO LTD·Filed 1975·Granted May 23, 1978·20 cites·11 claims
- 0575US4085169AProcess for preparing styrenic polymer particlesSEIKISUI CHEMICAL CO LTD·Filed 1975·Granted Apr 18, 1978·21 cites·6 claims
- 0669US9562126B2Process for producing fluorine containing polymerOGATA NAOYA·Filed 2010·Granted Feb 7, 2017·1 cites·6 claims
- 0755US4174425AProcess of preparing styrenic polymer foamsSEKISUI CHEMICAL CO LTD·Filed 1978·Granted Nov 13, 1979·12 cites·14 claims
- 0855US4173688AProcess for preparing styrenic polymer foamsSEKISUI CHEMICAL CO LTD·Filed 1978·Granted Nov 6, 1979·9 cites·10 claims
- 0942US4049594AProcess for preparing expandable styrene polymer particlesSEKISUI PLASTICS·Filed 1975·Granted Sep 20, 1977·6 cites·8 claims
- 1038US4065411AProcess for the preparation of expandable styrene polymer particlesSEKISUI PLASTICS·Filed 1976·Granted Dec 27, 1977·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →