Inventor · disambiguated record
Hidetsugu Takagaki
Also filed as: TAKAGAKI HIDETSUGU
18 granted patents·3 pending applications·163 citations·filing 1983–2015
94Inventor score
Top patents by PatentIndex Score
21 records- 0191US5068364AChalcone derivatives and process for producing the sameDAINIPPON INK & CHEMICALS·Filed 1989·Granted Nov 26, 1991·44 cites·18 claims
- 0290US6271416B1Quinolinone derivative, method for preparing the same, and anti-allergic agentDAINIPPON INK & CHEMICALS·Filed 2000·Granted Aug 7, 2001·25 cites·4 claims
- 0379US6706733B2Quinolinone derivative formulation and its production methodDAINIPPON INK & CHEMICALS·Filed 2002·Granted Mar 16, 2004·10 cites·3 claims
- 0475US7081256B2Quinolinone derivative pharmaceutical compositon and production method thereforDAINIPPON INK & CHEMICALS·Filed 2002·Granted Jul 25, 2006·14 cites·9 claims
- 0562US7687546B2Quaternary ammonium compound, process for producing the same, therapeutic agent for cerebrovascular disorder, and therapeutic agent for heart diseaseACTIVUS PHARMA CO LTD·Filed 2005·Granted Mar 30, 2010·1 cites·18 claims
- 0660US6136822AQuinolinone derivative, method for preparing the same, and anti-allergic agentDAINIPPON INK & CHEMICALS·Filed 1998·Granted Oct 24, 2000·7 cites·15 claims
- 0759US5525595A3- or 4-glycosyloxybenzopyran derivative and antiallergic agent containing the derivative as active ingredientDAINIPPON INK & CHEMICALS·Filed 1994·Granted Jun 11, 1996·11 cites·38 claims
- 0851US5981495ABenzopyran derivative and method for treating heart disease using this derivativeDAINIPPON INK & CHEMICALS·Filed 1997·Granted Nov 9, 1999·7 cites·21 claims
- 0950US6627642B1Quinolinone derivative preparations and process for producing the sameDAINIPPON INK & CHEMICALS·Filed 1999·Granted Sep 30, 2003·9 cites·4 claims
- 1048US4525303AProcess for preparation of steroidsDAINIPPON INK & CHEMICALS·Filed 1983·Granted Jun 25, 1985·7 cites·14 claims
- 1147US4874855ASteroid compounds and process of preparing the sameDAINIPPON INK & CHEMICALS·Filed 1988·Granted Oct 17, 1989·7 cites·17 claims
- 1247US2009099256A1Drug for Treating Circulatory InsufficiencyACTIVUS PHARMA CO LTD·Filed 2006·Application pending·0 cites
- 1345US8980914B2Therapeutic agent for chronic obstructive pulmonary disease and method for treatment for chronic obstructive pulmonary disease with the sameTAKAGAKI HIDETSUGU·Filed 2004·Granted Mar 17, 2015·0 cites·14 claims
- 1444US5428059ABenzopyran derivatives and an anti-allergic agent possessing the same as the active ingredientDAINIPPON INK & CHEMICALS·Filed 1992·Granted Jun 27, 1995·6 cites·194 claims
- 1543US5942521AQuinolinone derivative and anti-allergic agent with said quinolinone derivative as the active ingredientDAINIPPON INK & CHEMICALS·Filed 1997·Granted Aug 24, 1999·4 cites·34 claims
- 1641US6670391B2Benzopyran derivative and antiallergic agentDAINIPPON INK & CHEMICALS·Filed 2002·Granted Dec 30, 2003·0 cites·19 claims
- 1741US6242425B1Quinolinone glycoside, production process, and anti-allergic agentDAINIPPON INK & CHEMICALS·Filed 1999·Granted Jun 5, 2001·3 cites·24 claims
- 1841US6114352AQuinolinone derivative and anti-allergic agent with said quinolinone derivative as the active ingredientDAINIPPON INK & CHEMICALS·Filed 1998·Granted Sep 5, 2000·3 cites·12 claims
- 1941US5580552A7-glycosyloxybenzopyran derivative and antiallergic agent containing the derivative as active ingredientDAINIPPON INK & CHEMICALS·Filed 1995·Granted Dec 3, 1996·5 cites·33 claims
- 2039US2011021621A1Drug for treating circulatory insufficiencyACTIVUS PHARMA CO LTD·Filed 2010·Application pending·0 cites
- 2135US2015157621A1Therapeutic agent for chronic obstructive pulmonary disease and method for treating chronic obstructive pulmonary disease using the sameMARIPOSA HEALTH LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →