Inventor · disambiguated record
Seigo Sawada
Also filed as: SAWADA SEIGO
25 granted patents·1,053 citations·filing 1980–2011
97Inventor score
Top patents by PatentIndex Score
25 records- 0198US4545880APhotochemical process for preparing camptothecin derivativesYAKULT HONSHA KK·Filed 1984·Granted Oct 8, 1985·110 cites·3 claims
- 0298US4473692ACamptothecin derivatives and process for preparing sameYAKULT HONSHA KK·Filed 1982·Granted Sep 25, 1984·185 cites·41 claims
- 0396US4604463ACamptothecin derivatives and process for preparing sameYAKULT HONSHA KK·Filed 1984·Granted Aug 5, 1986·252 cites·25 claims
- 0496US4399276A7-Substituted camptothecin derivativesYAKULT HONSHA KK·Filed 1981·Granted Aug 16, 1983·63 cites·22 claims
- 0595US4399282ACamptothecin derivativesYAKULT HONSHA KK·Filed 1980·Granted Aug 16, 1983·99 cites·40 claims
- 0694US7126000B2Method of synthesizing camptothecin-relating compoundsYAKULT HONSHA KK·Filed 2002·Granted Oct 24, 2006·66 cites·27 claims
- 0793US4914205ACamptothecin derivativesYAKULT HONSHA KK·Filed 1988·Granted Apr 3, 1990·65 cites·1 claims
- 0892US4513138ACamptothecin-1-oxide derivativesYAKULT HONSHA KK·Filed 1982·Granted Apr 23, 1985·47 cites·8 claims
- 0991US7846473B2Irinotecan preparationTERUMO CORP·Filed 2005·Granted Dec 7, 2010·18 cites·10 claims
- 1087US5061800ACamptothecin derivativesYAKULT HONSHA KK·Filed 1989·Granted Oct 29, 1991·49 cites·3 claims
- 1184US6025385ATaxane derivatives and drugs containing the sameYAKULT HONSHA KK·Filed 1997·Granted Feb 15, 2000·34 cites·5 claims
- 1279US8501813B2γ-secretase inhibitorABE ATSUHIRO·Filed 2008·Granted Aug 6, 2013·7 cites·7 claims
- 1372US6743918B2Process for producing camptothecinYAKULT HONSHA KK·Filed 2001·Granted Jun 1, 2004·6 cites·4 claims
- 1472US6268381B1Taxane derivativesYAKULT HONSHA KK·Filed 1998·Granted Jul 31, 2001·14 cites·6 claims
- 1565US7488825B2Method for preparing polymorphism of irinotecan hydrochlorideYAKULT HONSHA KK·Filed 2004·Granted Feb 10, 2009·2 cites·3 claims
- 1662US6136808ATaxane derivativesYAKULT HONSHA KK·Filed 1998·Granted Oct 24, 2000·18 cites·11 claims
- 1758US7378555B2Method of synthesizing camptothecin-relating compoundsYAKULT HONSHA KK·Filed 2006·Granted May 27, 2008·0 cites·14 claims
- 1856US8466287B2Process for producing tricyclic ketoneNISHIYAMA HIROYUKI·Filed 2011·Granted Jun 18, 2013·0 cites·15 claims
- 1953US8067595B2Process for producing tricyclic ketoneNISHIYAMA HIROYUKI·Filed 2006·Granted Nov 29, 2011·0 cites·7 claims
- 2052US9174979B2Phenanthroindolizidine compound and NFκB inhibitor containing same as active ingredientIKEDA TAKASHI·Filed 2009·Granted Nov 3, 2015·0 cites·24 claims
- 2152US8569327B2Phenanthroindolizidine derivative and NFκB inhibitor containing same as active ingredientIKEDA TAKASHI·Filed 2009·Granted Oct 29, 2013·0 cites·20 claims
- 2250US6310210B1Camptothecin derivativesYAKULT HONSHA KK·Filed 1998·Granted Oct 30, 2001·9 cites·1 claims
- 2350US5843954ACamptothecin derivatives, preparations thereof and antitumor agentsYAKULT HONSHA KK·Filed 1997·Granted Dec 1, 1998·9 cites·2 claims
- 2449US8476438B2Process for production of camptothecin derivativeSAWADA SEIGO·Filed 2007·Granted Jul 2, 2013·0 cites·6 claims
- 2543US7897772B2Acid addition salt of irinotecanYAKULT HONSHA KK·Filed 2005·Granted Mar 1, 2011·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Seigo Sawada 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 →