Inventor · disambiguated record
Seiji Takao
Also filed as: TAKAO SEIJI
8 granted patents·130 citations·filing 1979–1989
87Inventor score
Top patents by PatentIndex Score
8 records- 0196US4535027AHigh strength polyacrylonitrile fiber and method of producing the sameJAPAN EXLAN CO LTD·Filed 1984·Granted Aug 13, 1985·76 cites·1 claims
- 0259US4871501AProcess for melt spinning aromatic polyesterSUMITOMO CHEMICAL CO·Filed 1987·Granted Oct 3, 1989·19 cites·4 claims
- 0356US4658004APolyacrylonitrile fiber with high strength and high modulus of elasticityJAPAN EXLAN CO LTD·Filed 1985·Granted Apr 14, 1987·10 cites·7 claims
- 0443US4283359AProcess for producing polyacrylonitrile reverse osmotic membranesJAPAN EXLAN CO LTD·Filed 1979·Granted Aug 11, 1981·9 cites·18 claims
- 0540US4865790AProcess for producing aromatic polyester fiberSUMITOMO CHEMICAL CO·Filed 1989·Granted Sep 12, 1989·4 cites·4 claims
- 0640US4659529AMethod for the production of high strength polyacrylonitrile fiberJAPAN EXLAN CO LTD·Filed 1985·Granted Apr 21, 1987·4 cites·7 claims
- 0738US4743416AMelt spinning process of aromatic polyesterSUMITOMO CHEMICAL CO·Filed 1985·Granted May 10, 1988·4 cites·5 claims
- 0831US4409162AProcess for producing acrylonitrile separation membranes in fibrous formJAPAN EXLAN CO LTD·Filed 1980·Granted Oct 11, 1983·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →