Inventor · disambiguated record
Keiichi Oyama
Also filed as: OYAMA KEIICHI
12 granted patents·9 pending applications·82 citations·filing 1996–2025
87Inventor score
Files withNISSHIN OILLIO GROUP LTD7MATSUZAWA MAKOTO2NISSHIN OIL MILLS LTD2ADACHI KATSURA1FUJISAWA MASAAKI1
Top patents by PatentIndex Score
21 records- 0188US7687066B2Self emulsifying oily liquid cosmeticNISSHIN OILLIO GROUP LTD·Filed 2004·Granted Mar 30, 2010·49 cites·31 claims
- 0282US8501210B2Gel composition and pack cosmetic using the sameFUJISAWA MASAAKI·Filed 2007·Granted Aug 6, 2013·6 cites·9 claims
- 0378US9125839B2Composition for external use on skin, cosmetic, and cleaning agentKACHI HISANORI·Filed 2011·Granted Sep 8, 2015·4 cites·21 claims
- 0472US8501209B2Gel-type water absorbentOI YUKIKO·Filed 2005·Granted Aug 6, 2013·1 cites·6 claims
- 0567US8597669B2Cosmetic transparent gel preparation and gelling agentOYAMA KEIICHI·Filed 2009·Granted Dec 3, 2013·0 cites·3 claims
- 0665US2024407985A1Oily composition and cosmetic preparationNISSHIN OILLIO GROUP LTD·Filed 2024·Application pending·0 cites
- 0764US2024216239A1Liquid oily composition and cosmetic containing sameNISSHIN OILLIO GROUP LTD·Filed 2024·Application pending·0 cites
- 0862US9078819B2Cosmetic transparent gel preparation and gelling agentNISSHIN OILLIO GROUP LTD·Filed 2013·Granted Jul 14, 2015·0 cites·15 claims
- 0959US6416771B1Moisturizing composition, base containing the same, and cosmetic or external preparation containing the moisturizing compositionNISSHIN OIL MILLS LTD·Filed 2000·Granted Jul 9, 2002·1 cites·5 claims
- 1056US9028850B2Composition for cosmetics, cosmetic, method for producing oil-in-water emulsion cosmetic, and two separate layer-type cosmeticNISSHIN OILLIO GROUP LTD·Filed 2013·Granted May 12, 2015·0 cites·10 claims
- 1156US7763237B2Ultraviolet protective preparation and cosmetics containing the sameNISSHIN OILLIO GROUP LTD·Filed 2004·Granted Jul 27, 2010·0 cites·13 claims
- 1254US8765718B2Cosmetic preparation comprising siliconeMATSUZAWA MAKOTO·Filed 2008·Granted Jul 1, 2014·0 cites·7 claims
- 1354US6117434AHumectant composition, base containing the same, and cosmetic material or external preparation containing said humectant compositionNISSHIN OIL MILLS LTD·Filed 1996·Granted Sep 12, 2000·21 cites·9 claims
- 1453US2005232889A1Transparent, aqueous elastomerADACHI KATSURA·Filed 2005·Application pending·0 cites
- 1548US2004247678A1Gel-form compositionFiled 2002·Application pending·0 cites
- 1646US2005118210A1Water-in-oil emulsion preparation for external use on skinFiled 2003·Application pending·0 cites
- 1745US9028848B2Composition for cosmetics, cosmetic, method for producing oil-in-water emulsion cosmetic, and two separate layer-type cosmeticMATSUZAWA MAKOTO·Filed 2010·Granted May 12, 2015·0 cites·13 claims
- 1845US2025170047A1Liquid oily composition, and cosmetic material containing liquid oily compositionNISSHIN OILLIO GROUP LTD·Filed 2025·Application pending·0 cites
- 1943US2004014717A1Transparent, aqueous elastomerFiled 2001·Application pending·0 cites
- 2036US2004191282A1Hemectant and cosmetics and internal preparations containing the sameFiled 2002·Application pending·0 cites
- 2134US2004115161A1Cosmetic emulsion preparation and agent for external useFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →