Inventor · disambiguated record
Haruki Takai
Also filed as: TAKAI HARUKI · TAKAI HARUKI S · TAKI HARUKU
19 granted patents·1 pending application·237 citations·filing 1980–2005
95Inventor score
Top patents by PatentIndex Score
20 records- 0187US4344945APiperidine derivativesKYOWA HAKKO KOGYO KK·Filed 1981·Granted Aug 17, 1982·17 cites·7 claims
- 0279US5726325ATricyclic compoundsKYOWA HAKKO KOGYO KK·Filed 1996·Granted Mar 10, 1998·27 cites·3 claims
- 0377US5698560AImidazoquinazoline derivativesKYOWA HAKKO KOGYO KK·Filed 1996·Granted Dec 16, 1997·23 cites·5 claims
- 0477US5661147AImidazoquinazoline derivativesKYOWA HAKKO KOGYO KK·Filed 1994·Granted Aug 26, 1997·20 cites·8 claims
- 0577US4344948APiperidine derivatives and pharmaceutical compositions containing sameKYOWA HAKKO KOGYO KK·Filed 1980·Granted Aug 17, 1982·18 cites·6 claims
- 0676US5948784AQuinazoline derivativesKYOWA HAKKO KOGYO KK·Filed 1998·Granted Sep 7, 1999·46 cites·10 claims
- 0775US6211227B1Tricyclic compoundsKYOWA HAKKO KOGYO KK·Filed 1999·Granted Apr 3, 2001·23 cites·15 claims
- 0874US4668683ACardiotonic quinazoline derivativesKYOWA HAKKO KOGYO KK·Filed 1986·Granted May 26, 1987·11 cites·7 claims
- 0960US5605900ABenzotriazines having adenosine uptake inhibitor activityKYOWA HAKKO KOGYO KK·Filed 1995·Granted Feb 25, 1997·6 cites·8 claims
- 1059US5112867ATriphenylmethane derivativesKYOWA HAKKO GOGYO CO LTD·Filed 1990·Granted May 12, 1992·17 cites·8 claims
- 1158US5624926APiperidinyl-dioxoquinazolines as adenosine reuptake inhibitorsKYOWA HAKKO KOGYO KK·Filed 1994·Granted Apr 29, 1997·4 cites·8 claims
- 1257US5891902AIndole derivativesKYOWA HAKKO KOGYO KK·Filed 1996·Granted Apr 6, 1999·8 cites·16 claims
- 1351US4390536APiperidine derivativesKYOWA HAKKO KOGYO KK·Filed 1982·Granted Jun 28, 1983·2 cites·7 claims
- 1449US5413997ATriphenylmethane derivativesKYOWA HAKKO KOGYO KK·Filed 1993·Granted May 9, 1995·7 cites·15 claims
- 1549US5063227AQuinazoline-substituted pyridazinone derivatives having cardiotonic activityKYOWA HAKKO KOGYO KK·Filed 1990·Granted Nov 5, 1991·3 cites·3 claims
- 1645US5658917AIsoquinolines having adenosine uptake inhibitor activityKYOWA HAKKO KOGYO KK·Filed 1995·Granted Aug 19, 1997·2 cites·8 claims
- 1740US5648353AQuinazolines and phthalazines having adenosine uptake inhibitor activityKYOWA HAKKO KOGYO KK·Filed 1995·Granted Jul 15, 1997·1 cites·9 claims
- 1835US5523464ABenzenesulfonamide derivativesKYOWA HAKKO KOGYO KK·Filed 1992·Granted Jun 4, 1996·1 cites·2 claims
- 1933US2007185168A1Piperidine derivativesTAKAI HARUKI S·Filed 2005·Application pending·0 cites
- 2029US5374634APyridine derivativesKYOWA HAKKO KOGYO KK·Filed 1993·Granted Dec 20, 1994·1 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Haruki Takai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →