Inventor · disambiguated record

Yoshikatsu Koyama

Also filed as: KOYAMA YOSHIKATSU

3 granted patents·95 citations·filing 1991–1999

74Inventor score

Technology areasC07D

Files withAJINOMOTO KK3

Top patents by PatentIndex Score

3 records

0188US5393890APiperidine derivatives and hypotensives containing the sameAJINOMOTO KK·Filed 1994·Granted Feb 28, 1995·62 cites·12 claims
0277US5250681APiperidine derivatives and hypotensives containing the sameAJINOMOTO KK·Filed 1991·Granted Oct 5, 1993·23 cites·9 claims
0364USRE38257EPiperdine derivatives and hypotensives containing the sameAJINOMOTO KK·Filed 1999·Granted Sep 23, 2003·10 cites·13 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →