Inventor · disambiguated record
Shigehiko Yoshioka
Also filed as: OKADA KAORU · YOSHIOKA SHIGEHIKO
7 granted patents·94 citations·filing 1978–1988
85Inventor score
Files withSEIKO KAGAKU KOGYO CO LTD7
Top patents by PatentIndex Score
7 records- 0176US4533434AProcess for sizing paper and process for making plasterboard base paper sized therebySEIKO KAGAKU KOGYO CO LTD·Filed 1982·Granted Aug 6, 1985·38 cites·14 claims
- 0270US4200562ASizing agent for use in making paperSEIKO KAGAKU KOGYO CO LTD·Filed 1978·Granted Apr 29, 1980·15 cites·2 claims
- 0359US4810301AComposition for sizing agent and process for using the same compositionSEIKO KAGAKU KOGYO CO LTD·Filed 1987·Granted Mar 7, 1989·6 cites·3 claims
- 0458US4849055AProcess for making paper using a substituted succinic anhydride as a sizing agentSEIKO KAGAKU KOGYO CO LTD·Filed 1987·Granted Jul 18, 1989·17 cites·7 claims
- 0547US4405408ACellulose processing agents and paper processed therewithSEIKO KAGAKU KOGYO CO LTD·Filed 1980·Granted Sep 20, 1983·11 cites·6 claims
- 0632US4882087AAqueous dispersed solution of substituted succinic anhydride and process for producing the sameSEIKO KAGAKU KOGYO CO LTD·Filed 1988·Granted Nov 21, 1989·4 cites·4 claims
- 0731US4717452AComposition for sizing agent and process for using the same compositionSEIKO KAGAKU KOGYO CO LTD·Filed 1985·Granted Jan 5, 1988·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →