Inventor · disambiguated record
Yutaka Tsuchiya
Also filed as: TSUCHIYA YUTAKA
12 granted patents·601 citations·filing 1981–1995
93Inventor score
Files withEISAI CO LTD12
Top patents by PatentIndex Score
12 records- 0197US4895841ACyclic amine compounds with activity against acetylcholinesteraseEISAI CO LTD·Filed 1988·Granted Jan 23, 1990·325 cites·13 claims
- 0295US5100901ACyclic amine compounds and pharmaceutical useEISAI CO LTD·Filed 1989·Granted Mar 31, 1992·128 cites·17 claims
- 0384US4849431APiperidine derivative and pharmaceutical compositionEISAI CO LTD·Filed 1986·Granted Jul 18, 1989·23 cites·24 claims
- 0483US5118684APiperdine derivative and pharmaceutical compositionEISAI CO LTD·Filed 1991·Granted Jun 2, 1992·32 cites·15 claims
- 0582US4707468APolypeptideEISAI CO LTD·Filed 1985·Granted Nov 17, 1987·40 cites·29 claims
- 0681US4942169APiperidine derivative and pharmaceutical compositionEISAI CO LTD·Filed 1989·Granted Jul 17, 1990·18 cites·18 claims
- 0762US4533494AProcess for purifying secretinEISAI CO LTD·Filed 1983·Granted Aug 6, 1985·18 cites·10 claims
- 0861US5039681APiperidine derivative and pharmaceutical compositionEISAI CO LTD·Filed 1990·Granted Aug 13, 1991·9 cites·16 claims
- 0952US5424318APiperidine derivative and pharmaceutical compositionEISAI CO LTD·Filed 1994·Granted Jun 13, 1995·5 cites·19 claims
- 1045US5306720APiperidine derivative and pharmaceutical compositionEISAI CO LTD·Filed 1991·Granted Apr 26, 1994·3 cites·9 claims
- 1132US5654306APiperidine derivative and pharmaceutical compositionEISAI CO LTD·Filed 1995·Granted Aug 5, 1997·0 cites·11 claims
- 1228US4407745AHeptacosapeptideEISAI CO LTD·Filed 1981·Granted Oct 4, 1983·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →