Inventor · disambiguated record
Hiroshi Ishikawa
Also filed as: ISHIKAWA HIROSHI
20 granted patents·3 pending applications·343 citations·filing 1979–2010
95Inventor score
Top patents by PatentIndex Score
23 records- 0197US4594347APyrrolo [3,2,1-ij]-quinoline carboxylic acid compoundOTSUKA PHARMA CO LTD·Filed 1984·Granted Jun 10, 1986·61 cites·5 claims
- 0295US4416884APiperazinylbenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1980·Granted Nov 22, 1983·41 cites·64 claims
- 0392US4399134APyrroloquinoline and benzoquinolizine compounds and antimicrobial compositionsOTSUKA PHARMA CO LTD·Filed 1981·Granted Aug 16, 1983·53 cites·23 claims
- 0488US5376686ABiguanide derivatives, manufacturing method thereof, and disinfectants containing the derivativesOTSUKA PHARMA CO LTD·Filed 1992·Granted Dec 27, 1994·37 cites·7 claims
- 0588US4552879ABenzoheterocyclic compounds and pharmaceutical composition thereofOTSUKA PHARMA CO LTD·Filed 1983·Granted Nov 12, 1985·35 cites·16 claims
- 0687US4544747AQuinoline carboxylic acid derivativesOTSUKA PHARMA CO LTD·Filed 1984·Granted Oct 1, 1985·27 cites·3 claims
- 0783US5185337APyrroloquinoline derivatives and pharmaceutical compositions for antimicrobial useOTSUKA PHARMA CO LTD·Filed 1991·Granted Feb 9, 1993·29 cites·36 claims
- 0875US7825080B2Aqueous solution of olanexidine, method of preparing the aqueous solution, and disinfectantOTSUKA PHARMA CO LTD·Filed 2006·Granted Nov 2, 2010·2 cites·6 claims
- 0964US5012984AProcess for production of coal-water mixtureCENTRAL RES INST ELECT·Filed 1990·Granted May 7, 1991·20 cites·3 claims
- 1063US5262411AIsocephem derivatives, and antimicrobial composition containing the derivativesOTSUKA PHARMA CO LTD·Filed 1990·Granted Nov 16, 1993·9 cites·14 claims
- 1156US4317820Aβ-Lactam series compound and antibacterial pharmaceutical composition containing the sameOTSUKA PHARMA CO LTD·Filed 1979·Granted Mar 2, 1982·5 cites·32 claims
- 1255US7829518B2Aqueous solution of olanexidine, method of preparing the aqueous solution, and disinfectantOTSUKA PHARMA CO LTD·Filed 2004·Granted Nov 9, 2010·0 cites·5 claims
- 1353US4831026A2-oxa-isocephem compounds, compositions containing same and processes of usingOTSUKA PHARMA CO LTD·Filed 1987·Granted May 16, 1989·7 cites·17 claims
- 1450US4950662A2-oxa-isocephem compounds, compositions containing the same and processes for preparing the sameOTSUKA PHARMA CO LTD·Filed 1988·Granted Aug 21, 1990·3 cites·14 claims
- 1548US2007053942A1Disinfectant and/or bactericidal aqueous compositionsNISHIBAYASHI TORU·Filed 2004·Application pending·0 cites
- 1647US5037976A2-oxa-isocephem compoundsOTSUKA PHARMA CO LTD·Filed 1989·Granted Aug 6, 1991·2 cites·12 claims
- 1746US4898859A2-Oxa-isocephem compounds and compositions containing sameOTSUKA PHARMA CO LTD·Filed 1988·Granted Feb 6, 1990·2 cites·29 claims
- 1845US8334248B2Aqueous solution of olanexidine, method of preparing the aqueous solution, and disinfectantMIYATA KAZUYOSHI·Filed 2010·Granted Dec 18, 2012·0 cites·3 claims
- 1944US5306617APhenytoin derivativesFUJIREBIO KK·Filed 1991·Granted Apr 26, 1994·4 cites·12 claims
- 2042US5904911AManganese-containing complex oxide, and process for preparing complex perovskite compound composition by use of this complex oxideNEC CORP·Filed 1998·Granted May 18, 1999·6 cites·3 claims
- 2142US2010331421A1Disinfectant and/or bactericidal aqueous compositionsOTSUKA PHARMA CO LTD·Filed 2010·Application pending·0 cites
- 2238US2004180779A1Fired composition and electrodeposition coatingFiled 2002·Application pending·0 cites
- 2334US4293694APyrido[3,2,1-jk]carbazolsOTSUKA PHARMA CO LTD·Filed 1979·Granted Oct 6, 1981·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →