Inventor · disambiguated record
Harumasa Yamasaki
Also filed as: YAMASAKI HARUMASA
16 granted patents·1,156 citations·filing 1977–1992
95Inventor score
Files withKAO CORP16
Top patents by PatentIndex Score
16 records- 0198US4446261AProcess for preparation of high water-absorbent polymer beadsKAO CORP·Filed 1982·Granted May 1, 1984·315 cites·2 claims
- 0296US4093776AProcess for preparation of spontaneously-crosslinked alkali metal acrylate polymersKAO CORP·Filed 1977·Granted Jun 6, 1978·374 cites·7 claims
- 0387US4727097AProcess for preparing highly reactive, water-absorptive resinKAO CORP·Filed 1986·Granted Feb 23, 1988·48 cites·13 claims
- 0486US4497930AProcess for producing highly water absorptive polymerKAO CORP·Filed 1983·Granted Feb 5, 1985·130 cites·11 claims
- 0578US5187310AOrganic silicon compound, method of its production, and photoreceptor for electrophotography incorporating itKAO CORP·Filed 1991·Granted Feb 16, 1993·18 cites·21 claims
- 0674US4459396AProcess for producing water-absorbent materials having excellent water absorption propertiesKAO CORP·Filed 1982·Granted Jul 10, 1984·81 cites·16 claims
- 0772US4666975AAbsorptive materialKAO CORP·Filed 1985·Granted May 19, 1987·81 cites·5 claims
- 0868US4714719ACatalyst for preparation of polyurethane and process for the preparationKAO CORP·Filed 1986·Granted Dec 22, 1987·16 cites·7 claims
- 0966US4410694AProcess for producing fibrous carboxymethyl celluloseKAO CORP·Filed 1982·Granted Oct 18, 1983·15 cites·11 claims
- 1065US5352554AOrganic silicon compound, method of its production, and photoreceptor for electrophotography incorporating itKAO CORP·Filed 1992·Granted Oct 4, 1994·13 cites·16 claims
- 1162US5071822ARecording materialKAO CORP·Filed 1990·Granted Dec 10, 1991·7 cites·4 claims
- 1255US4357938ADisposable diaperKAO CORP·Filed 1981·Granted Nov 9, 1982·37 cites·10 claims
- 1351US4524577ATwisted yarnKAO CORP·Filed 1982·Granted Jun 25, 1985·7 cites·8 claims
- 1449US5290963AOrganic silicon compound, method of its production, and photoreceptor for electrophotography incorporating itKAO CORP·Filed 1991·Granted Mar 1, 1994·8 cites·22 claims
- 1540US5446527AMethod of forming fixed imagesKAO CORP·Filed 1992·Granted Aug 29, 1995·5 cites·9 claims
- 1630US5032479AIon transport photoreceptor for electrophotographyKAO CORP·Filed 1989·Granted Jul 16, 1991·1 cites·4 claims
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