Inventor · disambiguated record
Fukuji Higashi
Also filed as: HIGASHI FUKUJI · YAMAZAKI NOBORU
8 granted patents·32 citations·filing 1973–1983
82Inventor score
Top patents by PatentIndex Score
8 records- 0158US3932364AProduction of polyamides in the presence of a phosphorus acid ester and an organic baseSUMITOMO CHEMICAL CO·Filed 1973·Granted Jan 13, 1976·10 cites·11 claims
- 0253US4045417AProduction of aromatic polyamidesSUMITOMO CHEMICAL CO·Filed 1975·Granted Aug 30, 1977·9 cites·8 claims
- 0348US4118374AProduction of aromatic polyamides from dicarboxylic acid and diamineSUMITOMO CHEMICAL CO·Filed 1977·Granted Oct 3, 1978·7 cites·6 claims
- 0436US4173563APhosphonium salt and its useSUMITOMO CHEMICAL CO·Filed 1978·Granted Nov 6, 1979·2 cites·4 claims
- 0535US3974219APhosphonium salt and its useSUMITOMO CHEMICAL CO·Filed 1974·Granted Aug 10, 1976·1 cites·12 claims
- 0633US4647649AMethod of producing aromatic polyestersUNIV TOKYO AGRICULTURE·Filed 1983·Granted Mar 3, 1987·3 cites·3 claims
- 0729US4120853AEsterification of carboxylic acids by contact with a phosphonium saltSUMITOMO CHEMICAL CO·Filed 1977·Granted Oct 17, 1978·0 cites·4 claims
- 0829US4059603AEsterification of carboxylic acids by contact with a phosphonium saltSUMITOMO CHEMICAL CO·Filed 1976·Granted Nov 22, 1977·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →