Inventor · disambiguated record
Kiyofumi Ishikawa
Also filed as: ISHIKAWA KIYOFUMI
17 granted patents·382 citations·filing 1982–1997
95Inventor score
Files withBANYU PHARMA CO LTD17
Top patents by PatentIndex Score
17 records- 0193US5389620AEndothelin antagonistic heteroaromatic ring-fused cyclopentene derivativesBANYU PHARMA CO LTD·Filed 1993·Granted Feb 14, 1995·67 cites·5 claims
- 0288US5352704AGuanidinobenzene derivativesBANYU PHARMA CO LTD·Filed 1992·Granted Oct 4, 1994·46 cites·2 claims
- 0386US4443459Aα-Tocopheryl ester of 5-substituted picolinic acid and hypotensive composition containing itBANYU PHARMA CO LTD·Filed 1982·Granted Apr 17, 1984·19 cites·26 claims
- 0485US4988681APhosphinic acid derivativesBANYU PHARMA CO LTD·Filed 1989·Granted Jan 29, 1991·27 cites·13 claims
- 0583US5114918AEndothelin antagonistic cyclic pentapeptidesBANYU PHARMA CO LTD·Filed 1990·Granted May 19, 1992·78 cites·2 claims
- 0672US5446164AProcess for preparing 6,7-dialkoxy-3,4-dihydroisoquinolin-8-olBANYU PHARMA CO LTD·Filed 1994·Granted Aug 29, 1995·11 cites·2 claims
- 0770US5470833AEndothelin antagonistic peptide derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Nov 28, 1995·23 cites·55 claims
- 0866US5362736AIsoquinoline derivativesBANYU PHARMA CO LTD·Filed 1992·Granted Nov 8, 1994·10 cites·4 claims
- 0964US5714479AEndothelin antagonistic heteroaromatic ring-fused cyclopentene derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Feb 3, 1998·9 cites·22 claims
- 1063US5496928AEndothelin antagonistic substanceBANYU PHARMA CO LTD·Filed 1994·Granted Mar 5, 1996·21 cites·6 claims
- 1162US5498717A6,7-dialkoxy-3,4-diydroisoquinolin-8-yl compoundsBANYU PHARMA CO LTD·Filed 1994·Granted Mar 12, 1996·6 cites·1 claims
- 1262US5494897AEndothelin antagonistic peptideBANYU PHARMA CO LTD·Filed 1994·Granted Feb 27, 1996·21 cites·8 claims
- 1362US5444152AEndothelin antagonistic peptide derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Aug 22, 1995·16 cites·14 claims
- 1456US5614498AEndothelin antagonistic substanceBANYU PHARMA CO LTD·Filed 1992·Granted Mar 25, 1997·16 cites·27 claims
- 1550US5380921AAminophosponic acid derivativeBANYU PHARMA CO LTD·Filed 1993·Granted Jan 10, 1995·8 cites·6 claims
- 1638US6114524AProcess for producing halogenated heteroaryl compoundsBANYU PHARMA CO LTD·Filed 1997·Granted Sep 5, 2000·2 cites·4 claims
- 1735US5691315AEndothelin antagonistic peptide derivativesBANYU PHARMA CO LTD·Filed 1995·Granted Nov 25, 1997·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →