Inventor · disambiguated record
Takeshi Sakai
Also filed as: SAKAI TAKESHI
28 granted patents·14 pending applications·150 citations·filing 1983–2017
96Inventor score
Top patents by PatentIndex Score
42 records- 0182US6207652B1Apoptosis inducersTAKARA SHUZO CO·Filed 1997·Granted Mar 27, 2001·29 cites·21 claims
- 0281US6593311B2Apoptosis inducersTAKARA SHUZO CO·Filed 2001·Granted Jul 15, 2003·10 cites·25 claims
- 0374US6524763B1Microcapsules containing a radiation sensitive composition and their useJAPAN ATOMIC POWER·Filed 2001·Granted Feb 25, 2003·21 cites·121 claims
- 0473US6590097B1Sulfated fucogalactanTAKARA SHUZO CO·Filed 2000·Granted Jul 8, 2003·4 cites·5 claims
- 0573US6379947B2Biologically pure culture of Fucoidanobacter marinus SI-0098 (FERM BP-5403)TAKARA SHUZO CO·Filed 2001·Granted Apr 30, 2002·2 cites·1 claims
- 0672US7217817B1Agarobiose-containing compositionTAKARA BIO INC·Filed 2000·Granted May 15, 2007·5 cites·2 claims
- 0772US7041656B2Sulfated fucoglucuronomannanTAKARA BIO INC·Filed 2002·Granted May 9, 2006·3 cites·1 claims
- 0872US6277616B1Endo-fucoidan-lyaseTAKARA SHUZO CO·Filed 2000·Granted Aug 21, 2001·2 cites·3 claims
- 0971US6599729B2α-agarase and process for producing the sameTAKARA SHUZO CO·Filed 2001·Granted Jul 29, 2003·1 cites·7 claims
- 1071US6054577AOligosaccharides from enzymatic cleavage of fucoidanTAKARA SHUZO CO·Filed 1996·Granted Apr 25, 2000·23 cites·10 claims
- 1170US6911432B2Drugs, foods or drinks with the use of algae-derived physiologically active substancesTAKARA BIO INC·Filed 2002·Granted Jun 28, 2005·3 cites·17 claims
- 1269US4468518AImidazole guanidine compounds and method of making sameFUJIMOTO SEIYAKU KK·Filed 1983·Granted Aug 28, 1984·8 cites·4 claims
- 1367US7604962B2α-agarase and process for producing the sameTAKARA BIO INC·Filed 2008·Granted Oct 20, 2009·0 cites·2 claims
- 1467US2007202238A1Agarobiose-containing compositionTAKARA BIO INC·Filed 2007·Application pending·0 cites
- 1564US2010137228A2Drugs, foods or drinks with the use of algae-derived physiologically active substancesTAKARA BIO INC·Filed 2008·Application pending·0 cites
- 1663US6720419B2Sulfated fucan oligosaccharideTAKARA BIO INC·Filed 2002·Granted Apr 13, 2004·3 cites·5 claims
- 1760US7141402B2α-Agarase and process for producing the sameTAKARA BIO INC·Filed 2003·Granted Nov 28, 2006·0 cites·4 claims
- 1859US7410786B2Sulfated fucogalactan digesting enzyme geneTAKARA BIO INC·Filed 2007·Granted Aug 12, 2008·0 cites·1 claims
- 1957US7351556B2α-agarase and process for producing the sameTAKARA BIO INC·Filed 2006·Granted Apr 1, 2008·0 cites·2 claims
- 2057US2006166335A1Glucuronofucan sulfateTAKARA BIO INC·Filed 2006·Application pending·0 cites
- 2156US7417031B2Use of algae-derived physiologically active substances for treating a carcinomatous diseaseTAKARA BIO INC·Filed 2005·Granted Aug 26, 2008·0 cites·4 claims
- 2255US6489155B1Enzymes capable of degrading a sulfated-fucose-containing polysaccharide and their encoding genesTAKARA SHUZO CO·Filed 1998·Granted Dec 3, 2002·11 cites·9 claims
- 2355US6475990B1Drugs, foods or drinks with the use of algae-derived physiologically active substancesTAKARA SHUZO CO·Filed 1998·Granted Nov 5, 2002·8 cites·1 claims
- 2453US7217552B2Sulfated fucogalactan digesting enzyme geneTAKARA BIO INC·Filed 2002·Granted May 15, 2007·0 cites·5 claims
- 2553US2006183715A1Sulfated fucoglucuronomannanTAKARA BIO INC·Filed 2005·Application pending·0 cites
- 2650US6927289B2Sulfated fucan oligosaccharideTAKARA BIO INC·Filed 2003·Granted Aug 9, 2005·0 cites·2 claims
- 2750US2006112618A1Method for cultivating mushroomTAKARA BIO INC·Filed 2005·Application pending·0 cites
- 2847US7125984B2Glucuronofucan sulfateTAKARA BIO INC·Filed 2001·Granted Oct 24, 2006·0 cites·3 claims
- 2947US2007122875A1Enzyme for decomposition of sulfated fucan derived from sea cucumberTAKARA BIO INC·Filed 2003·Application pending·0 cites
- 3045US2003176395A1Sulfated saccharidesFiled 2003·Application pending·0 cites
- 3145US2004077845A1ModifierFiled 2002·Application pending·0 cites
- 3245US2005255564A1Sulfated fucanTAKARA BIO INC·Filed 2003·Application pending·0 cites
- 3341US2008038289A1Antitumor AgentKAWAI TAKASHI·Filed 2005·Application pending·0 cites
- 3440US4927753AQuantitative determination of L-fucoseTAKARA SHUZO CO·Filed 1987·Granted May 22, 1990·5 cites·5 claims
- 3539US5217880AL-fucose dehydrogenase gene, microorganism having said gene and production of l-fucose dehydrogenase by the use of said microorganismTAKARA SHUZO CO·Filed 1992·Granted Jun 8, 1993·4 cites·3 claims
- 3639US4520201ASynthesis of cimetidine and analogs thereofFUJIMOTO SEIYAKU KK·Filed 1983·Granted May 28, 1985·1 cites·10 claims
- 3738US4560764ASynthesis of an imidazolyl isothioureaFUJIMOTO SEIYAKU KK·Filed 1983·Granted Dec 24, 1985·1 cites·1 claims
- 3836US4927767AMethod for the detection of diseases associated with the metabolic abnormality of L-fucoseTAKARA SHUZO CO·Filed 1988·Granted May 22, 1990·6 cites·2 claims
- 3936US2004029828A1Homeostasis-maintaining agentsFiled 2001·Application pending·0 cites
- 4035US2019060325A1Stabilized solid dosage formSHIONOGI & CO·Filed 2017·Application pending·0 cites
- 4133US2004043961A1Drugs or cosmeticsFiled 2001·Application pending·0 cites
- 4226US2002016299A1Apoptosis inducersFiled 1997·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Takeshi Sakai 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 →