Inventor · disambiguated record
Yoshiaki Watanabe
Also filed as: ASAKA TOSHIFUMI · WATANABE YOSHIAKI
29 granted patents·703 citations·filing 1978–2010
97Inventor score
Files withTAISHO PHARMACEUTICAL CO LTD22CHUGAI PHARMACEUTICAL CO LTD4JOUVEINAL1NIPPON ZEON CO1NISSAN CHEMICAL IND LTD1
Top patents by PatentIndex Score
29 records- 0197US4331803ANovel erythromycin compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1981·Granted May 25, 1982·154 cites·3 claims
- 0294US4990602AErythromycin A derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1988·Granted Feb 5, 1991·146 cites·3 claims
- 0392US4952689A3-(substituted propylidene)-2-azetidinone derivates for blood platelet aggregationTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Aug 28, 1990·36 cites·3 claims
- 0492US4680386A6-O-methylerythromycin a derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 1985·Granted Jul 14, 1987·61 cites·2 claims
- 0591US4670549AMethod for selective methylation of erythromycin a derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1986·Granted Jun 2, 1987·66 cites·3 claims
- 0689US4672109AMethod for selective methylation of erythromycin A derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1985·Granted Jun 9, 1987·66 cites·8 claims
- 0788US4861765A21-alkyl-, cycloalkyl- or aryl-substituted thio steroids and pharmaceutical compositions containing themJOUVEINAL·Filed 1986·Granted Aug 29, 1989·67 cites·9 claims
- 0874US7026491B2Coumarin derivatives useful as TNFα inhibitorsCHUGAI PHARMACEUTICAL CO LTD·Filed 2001·Granted Apr 11, 2006·6 cites·3 claims
- 0972US4833236AErythromycin derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1987·Granted May 23, 1989·17 cites·5 claims
- 1070US5350839A2'-position modified compound of erythromycin or its derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 1991·Granted Sep 27, 1994·23 cites·2 claims
- 1170US4496717AErythromycin B derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1982·Granted Jan 29, 1985·12 cites·4 claims
- 1269US4668776AProtected des-N-methylerythromycin derivativeNIPPON ZEON CO·Filed 1986·Granted May 26, 1987·15 cites·5 claims
- 1362US4476298AErythromycin A derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1982·Granted Oct 9, 1984·7 cites·3 claims
- 1459US4190581ANovel penicillin derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1978·Granted Feb 26, 1980·3 cites·5 claims
- 1558US7709664B2Coumarin derivatives useful as TNFα inhibitorsCHUGAI PHARMACEUTICAL CO LTD·Filed 2005·Granted May 4, 2010·0 cites·2 claims
- 1656USRE39560EErythromycin A derivatives and method for preparing sameTAISHO PHARMACEUTICAL CO LTD·Filed 2004·Granted Apr 10, 2007·0 cites·18 claims
- 1755US4699981ACephalosporin derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1986·Granted Oct 13, 1987·4 cites·5 claims
- 1853US7994318B2Coumarin derivatives useful as TNFα inhibitorsCHUGAI PHARMACEUTICAL CO LTD·Filed 2010·Granted Aug 9, 2011·0 cites·3 claims
- 1953US7872142B2Coumarin derivatives useful as TNFα inhibitorsCHUGAI PHARMACEUTICAL CO LTD·Filed 2010·Granted Jan 18, 2011·0 cites·2 claims
- 2051US7879887B2α-amino acid derivatives and medicaments containing the same as an active ingredientNISSAN CHEMICAL IND LTD·Filed 2007·Granted Feb 1, 2011·0 cites·14 claims
- 2151US6342590B1Erythromycin a derivatives and method for preparing sameTAISHO PHARMACEUTICAL CO LTD·Filed 1992·Granted Jan 29, 2002·6 cites·1 claims
- 2245US5302705A6-O-methylerythromycin a oxime derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1990·Granted Apr 12, 1994·5 cites·1 claims
- 2342US4948899A1,4-dihydropyridine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Aug 14, 1990·3 cites·6 claims
- 2438US4812562ACephalosporin derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1986·Granted Mar 14, 1989·4 cites·7 claims
- 2535US4921953ACephalosporin derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted May 1, 1990·2 cites·10 claims
- 2634US4357470ACephalosporin compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1981·Granted Nov 2, 1982·0 cites·3 claims
- 2733US5047543A1,4-dihydropyridine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Sep 10, 1991·0 cites·1 claims
- 2833US4937332ACephalosporin derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1988·Granted Jun 26, 1990·0 cites·1 claims
- 2931US4841044ACephalosporin derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1986·Granted Jun 20, 1989·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Yoshiaki Watanabe 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 →