Inventor · disambiguated record
Yoshitake Sumikawa
Also filed as: SUMIKAWA Yoshitake
4 granted patents·1 citations·filing 2012–2019
56Inventor score
Files withKAKEN PHARMA CO LTD4
Top patents by PatentIndex Score
4 records- 0161US9447072B2Pyridone derivative and pharmaceutical containing sameKAKEN PHARMA CO LTD·Filed 2012·Granted Sep 20, 2016·1 cites·11 claims
- 0244US9518041B2(+)-5-(3,4-difluorophenyl)-5-[(3-methyl-2-oxopyridin-1(2H)-yl)methyl]imidazolidine-2,4-dione and drug containing sameKAKEN PHARMA CO LTD·Filed 2014·Granted Dec 13, 2016·0 cites·21 claims
- 0342US10640484B2Method for producing (R)-5-(3,4-difluorophenyl)-5-[(3-methyl-2-oxopyridin-1(2H)-yl)methyl]imidazolidine-2,4-dione and intermediate for producing sameKAKEN PHARMA CO LTD·Filed 2017·Granted May 5, 2020·0 cites·3 claims
- 0428US12421225B2Heteroaromatic amide derivative and medicament containing the sameKAKEN PHARMA CO LTD·Filed 2019·Granted Sep 23, 2025·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →