Inventor · disambiguated record
Takehisa Iwama
Also filed as: IWAMA TAKEHISA
22 granted patents·14 pending applications·65 citations·filing 1998–2024
94Inventor score
Files withNISSAN CHEMICAL IND LTD19UNIV KYUSHU5NISSAN CHEMICAL CORP4MIYACHI NOBUHIDE2MIYAMOTO MISAO2
Top patents by PatentIndex Score
36 records- 0188US8716248B2Lipid tripeptide-based hydrogelator and hydrogelNISSAN CHEMICAL IND LTD·Filed 2013·Granted May 6, 2014·3 cites·1 claims
- 0286US9561255B2Cosmetic, external skin preparation, and medical instrumentNISSAN CHEMICAL IND LTD·Filed 2012·Granted Feb 7, 2017·8 cites·1 claims
- 0385US2024279597A1Culture medium composition and method of culturing cell or tissue using thereofNISSAN CHEMICAL IND LTD·Filed 2024·Application pending·0 cites
- 0482US9566218B2Production method of cosmetic, preparation method of gel for cosmetics, and method of reducing use amount of polymer thickener blended in cosmetic raw materialsMATSUMOTO KEIGO·Filed 2012·Granted Feb 14, 2017·3 cites·17 claims
- 0582US8999300B2Cosmetic, external skin preparation, and medical instrumentIWAMA TAKEHISA·Filed 2010·Granted Apr 7, 2015·9 cites·26 claims
- 0681US9480772B2Gel sheet containing lipid peptide gelator and polymeric compoundGOTO MASAHIRO·Filed 2011·Granted Nov 1, 2016·3 cites·22 claims
- 0781US9265833B2Lipid dipeptide and gelMIYAMOTO MISAO·Filed 2009·Granted Feb 23, 2016·5 cites·19 claims
- 0881US8816049B2Lipid peptide and hydrogelNISSAN CHEMICAL IND LTD·Filed 2012·Granted Aug 26, 2014·3 cites·6 claims
- 0980US10590380B2Culture medium composition and method of culturing cell or tissue using thereofNISSAN CHEMICAL IND LTD·Filed 2017·Granted Mar 17, 2020·1 cites·12 claims
- 1079US9664671B2Culture medium composition and method of culturing cell or tissue using thereofNISSAN CHEMICAL IND LTD·Filed 2013·Granted May 30, 2017·2 cites·7 claims
- 1178US9289496B2Lipid dipeptide and gelNISSAN CHEMICAL IND LTD·Filed 2013·Granted Mar 22, 2016·3 cites·12 claims
- 1278US8916682B2Lipid peptide and hydrogelMIYACHI NOBUHIDE·Filed 2008·Granted Dec 23, 2014·3 cites·1 claims
- 1378US8486896B2Lipid tripeptide-based hydrogelator and hydrogelMIYACHI NOBUHIDE·Filed 2008·Granted Jul 16, 2013·3 cites·8 claims
- 1478US2022306985A1Culture medium composition and method of culturing cell or tissue using thereofNISSAN CHEMICAL IND LTD·Filed 2022·Application pending·0 cites
- 1577US9333158B2Spray base material including low-molecular gelatorMIYAMOTO MISAO·Filed 2010·Granted May 10, 2016·5 cites·19 claims
- 1677US2023383245A1Culture medium compositionNISSAN CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 1776US10010490B2Cosmetic composition comprising cellulose fibers with small fiber diameter and comparatively small aspect ratioNISSAN CHEMICAL IND LTD·Filed 2013·Granted Jul 3, 2018·1 cites·13 claims
- 1875US10421055B2Dispersion and method for forming hydrogelNISSAN CHEMICAL IND LTD·Filed 2013·Granted Sep 24, 2019·1 cites·17 claims
- 1974US11771645B2Transdermally absorbable base material containing lipid peptide compoundUNIV KYUSHU·Filed 2021·Granted Oct 3, 2023·0 cites·2 claims
- 2074US10487308B2Culture medium compositionNISSAN CHEMICAL CORP·Filed 2015·Granted Nov 26, 2019·1 cites·1 claims
- 2173US11452688B2Transdermally absorbable base material containing lipid peptide compoundUNIV KYUSHU·Filed 2019·Granted Sep 27, 2022·0 cites·2 claims
- 2273US2020030217A1Moisturizing base material containing lipid peptide compoundUNIV KYUSHU·Filed 2019·Application pending·0 cites
- 2371US11371013B2Culture medium composition and method of culturing cell or tissue using thereofNISSAN CHEMICAL IND LTD·Filed 2020·Granted Jun 28, 2022·0 cites·1 claims
- 2466US2019053988A1Method for producing cellulose fibers suitable for use in a thickening composition, method for producing a thickening composition, and method for thickening a compositionNISSAN CHEMICAL IND LTD·Filed 2018·Application pending·0 cites
- 2565US2020095542A1Culture medium compositionNISSAN CHEMICAL CORP·Filed 2019·Application pending·0 cites
- 2664US10316292B2Material for undifferentiated state-maintaining cultureNISSAN CHEMICAL IND LTD·Filed 2015·Granted Jun 11, 2019·1 cites·7 claims
- 2762US6114369ABenzimidazole compoundNISSAN CHEMICAL IND LTD·Filed 1998·Granted Sep 5, 2000·10 cites·10 claims
- 2862US2016074289A1Thickening compositionNISSAN CHEMICAL IND LTD·Filed 2014·Application pending·0 cites
- 2958US2018021250A1Transdermally absorbable base material containing lipid peptide compoundUNIV KYUSHU·Filed 2016·Application pending·0 cites
- 3057US2008306080A1Neutrophilia inhibitorNISSAN CHEMICAL IND LTD·Filed 2008·Application pending·0 cites
- 3153US2007117806A1Neutrophilia inhibitorTAISHO PHARMACEUTICAL CO LTD·Filed 2004·Application pending·0 cites
- 3252US2018000716A1Moisturizing base material containing lipid peptide compoundUNIV KYUSHU·Filed 2016·Application pending·0 cites
- 3348US10017805B2Enhancing ingredients for protein production from various cellsNISSAN CHEMICAL IND LTD·Filed 2013·Granted Jul 10, 2018·0 cites·18 claims
- 3446US2016325011A1Aqueous dispersion for solidifying serum and bloodNISSAN CHEMICAL IND LTD·Filed 2014·Application pending·0 cites
- 3544US2019030166A1Percutaneously absorbable composition controlled in release of water-soluble effective ingredientNISSAN CHEMICAL CORP·Filed 2017·Application pending·0 cites
- 3638US2018185414A1Calcium salt composition and filaggrin production promoter using the sameNISSAN CHEMICAL IND LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →