Inventor · disambiguated record
Toshihiro Koyama
Also filed as: KOYAMA TOSHIHIRO
3 granted patents·1 citations·filing 1992–1997
50Inventor score
Technology areasC07D
Files withKAKEN PHARMA CO LTD3
Top patents by PatentIndex Score
3 records- 0132US5190959APiperidine compounds which have useful pharmaceutical activityKAKEN PHARMA CO LTD·Filed 1992·Granted Mar 2, 1993·1 cites·10 claims
- 0230US5672597AAcetamide derivativeKAKEN PHARMA CO LTD·Filed 1993·Granted Sep 30, 1997·0 cites·7 claims
- 0329US5756822AAminoethanethiol derivativeKAKEN PHARMA CO LTD·Filed 1997·Granted May 26, 1998·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →