Inventor · disambiguated record
Masaaki Yamamura
Also filed as: YAMAMURA MASAAKI
28 granted patents·746 citations·filing 1979–2020
97Inventor score
Top patents by PatentIndex Score
28 records- 0196US5476597ALiquid softener composition, novel quaternary ammonium salt, and process for the preparation of said saltKAO CORP·Filed 1994·Granted Dec 19, 1995·83 cites·13 claims
- 0293US4933103ABleaching compositionKAO CORP·Filed 1988·Granted Jun 12, 1990·39 cites·14 claims
- 0392US5580481AAqueous fabric softener composition, novel quaternary ammonium salt, and process for the preparation of said saltKAO CORP·Filed 1995·Granted Dec 3, 1996·77 cites·16 claims
- 0488US5817181AProcess for forming deposited film for light-receiving member, light-received member produced by the process deposited film forming apparatus, and method for cleaning deposited film forming apparatusCANON KK·Filed 1995·Granted Oct 6, 1998·39 cites·14 claims
- 0588US5582944ALight receiving memberCANON KK·Filed 1994·Granted Dec 10, 1996·37 cites·21 claims
- 0688US4302212ADispersing agents for an aqueous slurry of coal powderKAO CORP·Filed 1980·Granted Nov 24, 1981·35 cites·18 claims
- 0784US5455138AProcess for forming deposited film for light-receiving member, light-receiving member produced by the process, deposited film forming apparatus, and method for cleaning deposited film forming apparatusCANON KK·Filed 1993·Granted Oct 3, 1995·46 cites·105 claims
- 0882US5059344ABleaching compositionKAO CORP·Filed 1990·Granted Oct 22, 1991·18 cites·8 claims
- 0982US4978770AQuaternary ammonium salts of dicyano substituted teriary alkylene diamines as bleach activatorsKAO CORP·Filed 1990·Granted Dec 18, 1990·39 cites·3 claims
- 1080US4915863ABleaching compositionKAO CORP·Filed 1988·Granted Apr 10, 1990·39 cites·9 claims
- 1178US10895829B1Image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Jan 19, 2021·1 cites·19 claims
- 1274US4330301ADispersant for aqueous slurry of coal powderKAO CORP·Filed 1980·Granted May 18, 1982·29 cites·7 claims
- 1373US4252540AStabilizer for mixture fuelsKAO CORP·Filed 1979·Granted Feb 24, 1981·24 cites·7 claims
- 1472US4339246AMixed fuel compositionKAO CORP·Filed 1981·Granted Jul 13, 1982·17 cites·4 claims
- 1569US4470828AAqueous coal slurry compositionKAO CORP·Filed 1983·Granted Sep 11, 1984·16 cites·12 claims
- 1668US4885102ACloth-softening liquid composition containing quaternary ammonium compound and a polyether derivative or cationic surfactant polymerKAO CORP·Filed 1988·Granted Dec 5, 1989·34 cites·9 claims
- 1765US6174852B1High-density powdered detergent compositionKAO CORP·Filed 1997·Granted Jan 16, 2001·23 cites·20 claims
- 1860US4922332AMethod of and apparatus for generating tint pattern dataDAINIPPON SCREEN MFG·Filed 1989·Granted May 1, 1990·18 cites·22 claims
- 1959US4972799AMicrowave plasma chemical vapor deposition apparatus for mass-producing functional deposited filmsCANON KK·Filed 1990·Granted Nov 27, 1990·30 cites·5 claims
- 2059US4436527AStabilizer for mixed fuelsKAO CORP·Filed 1981·Granted Mar 13, 1984·11 cites·10 claims
- 2158US5023003ASoftener composition containing cis- and trans- isomers of ethylenically unsaturated quaternary ammonium saltsKAO CORP·Filed 1989·Granted Jun 11, 1991·20 cites·9 claims
- 2254US5154838ALiquid softenerKAO CORP·Filed 1991·Granted Oct 13, 1992·13 cites·11 claims
- 2353US5282983AFabric softener composition and ammonium saltKAO CORP·Filed 1992·Granted Feb 1, 1994·12 cites·10 claims
- 2451US5407768ALight-receiving memberCANON KK·Filed 1993·Granted Apr 18, 1995·8 cites·43 claims
- 2549US4937008AConcentrated softening agent for use in clothings: quaternary ammonium salt, mono-ol, di- or tri-ol, inorganic salt and polyesterKAO CORP·Filed 1989·Granted Jun 26, 1990·17 cites·12 claims
- 2647US6211141B1High-density powdered detergent compositionKAO CORP·Filed 1997·Granted Apr 3, 2001·10 cites·13 claims
- 2742US5242607AConcentrated softenerKAO CORP·Filed 1991·Granted Sep 7, 1993·9 cites·8 claims
- 2823US5530555AMethod and apparatus for recording halftone dot image with different repeating unitsDAINIPPON SCREEN MFG·Filed 1993·Granted Jun 25, 1996·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →