Inventor · disambiguated record
Takeshi Ishitoku
Also filed as: ISHITOKU TAKESHI
9 granted patents·134 citations·filing 1987–2001
88Inventor score
Top patents by PatentIndex Score
9 records- 0185US5952450ACrosslinked polycarbonate and polylactic acid composition containing the sameSHIMADZU CORP·Filed 1998·Granted Sep 14, 1999·49 cites·22 claims
- 0267US4973703AProcess for purification of N-cyano-N'-methyl-N"-(2-((5-methyl-1Himidazol-4-yl)methylthio)ethyl)guanidineMITSUI PETROCHEMICAL IND·Filed 1988·Granted Nov 27, 1990·6 cites·7 claims
- 0364US6315918B1Non-aqueous electrolytic solution for capacitor and capacitor containing non-aqueous electrolytic solutionMITSUI CHEMICALS INC·Filed 1998·Granted Nov 13, 2001·33 cites·12 claims
- 0464US5037977AMethod for production of dimeric alkaloidsMITSUI PETROCHEMICAL IND·Filed 1989·Granted Aug 6, 1991·7 cites·4 claims
- 0561US6384241B2Purified salt of β-hydroxyethoxy acetic acid, purified 2-p-dioxanone, and manufacturing method thereforMITSUI CHEMICALS INC·Filed 2001·Granted May 7, 2002·3 cites·28 claims
- 0657US6569572B1Lithium battery, polymer electrolyte, electrolyte material, di(meth)acrylic ester, and di(meth)acrylate polymerYUASA BATTERY CO LTD·Filed 1999·Granted May 27, 2003·28 cites·10 claims
- 0754US5932759AProcess for producing substituted amines and a method for purifying synthetic intermediates thereforMITSUI CHEMICALS INC·Filed 1997·Granted Aug 3, 1999·6 cites·14 claims
- 0839US4814500ACyanoguanidine derivative and process for preparation thereofMITSUI PETROCHEMICAL IND·Filed 1987·Granted Mar 21, 1989·1 cites·1 claims
- 0937US5072007AProcess for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivativesMITSUI PETROCHEMICAL IND·Filed 1990·Granted Dec 10, 1991·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →