Inventor · disambiguated record
Katsuro Miyagawa
Also filed as: MIYAGAWA KATSURO
10 granted patents·16 pending applications·35 citations·filing 1996–2023
83Inventor score
Top patents by PatentIndex Score
26 records- 0187US8555547B2Plant cultivating unit and plant cultivating containerHASHIMOTO MASAKI·Filed 2006·Granted Oct 15, 2013·17 cites·15 claims
- 0263US11284576B2High rebaudioside C-content stevia plantSUNTORY HOLDINGS LTD·Filed 2017·Granted Mar 29, 2022·0 cites·16 claims
- 0361US11732313B2High-sweetening-content stevia plant and method for screening sameSUNTORY HOLDINGS LTD·Filed 2019·Granted Aug 22, 2023·0 cites·17 claims
- 0461US2025333804A1Method of screening for stevia plantSUNTORY HOLDINGS LTD·Filed 2023·Application pending·0 cites
- 0557US8701344B2Plant cultivating substrate and method of its manufactureHASHIMOTO MASAKI·Filed 2004·Granted Apr 22, 2014·5 cites·17 claims
- 0657US2024215509A1Stevia plant rich in nutritional componentSUNTORY HOLDINGS LTD·Filed 2022·Application pending·0 cites
- 0755US12338498B2High steviol glycoside-containing stevia plant and method for screening sameSUNTORY HOLDINGS LTD·Filed 2021·Granted Jun 24, 2025·0 cites·18 claims
- 0854US12389848B2Stevia plant having high rebaudioside M content ratio and screening method for sameSUNTORY HOLDINGS LTD·Filed 2021·Granted Aug 19, 2025·0 cites·17 claims
- 0954US8136295B2Plant-culturing toolHASHIMOTO MASAKI·Filed 2006·Granted Mar 20, 2012·0 cites·4 claims
- 1053US2019352324A1Novel steviol glycoside, method for producing same, and sweetener composition containing sameSUNTORY HOLDINGS LTD·Filed 2017·Application pending·0 cites
- 1153US2022078989A1Broussonetine-rich stevia plantSUNTORY HOLDINGS LTD·Filed 2019·Application pending·0 cites
- 1253US2022087124A1Rebaudioside d-rich stevia plantSUNTORY HOLDINGS LTD·Filed 2019·Application pending·0 cites
- 1351US2022061248A1Low-tyramine stevia plantSUNTORY HOLDINGS LTD·Filed 2019·Application pending·0 cites
- 1449US11873521B2Steviol glycoside and production method therefor, and sweetener composition containing sameSUNTORY HOLDINGS LTD·Filed 2018·Granted Jan 16, 2024·0 cites·3 claims
- 1549US5843911AHyaluronidase inhibitor containing god-type ellagitannin as active ingredientSUNTORY LTD·Filed 1996·Granted Dec 1, 1998·13 cites·7 claims
- 1649US2008263947A1Plant Culturing ApparatusSUNTORY LTD·Filed 2005·Application pending·0 cites
- 1749US2022256902A1Novel steviol glycoside, method for producing same, and sweetener composition containing sameSUNTORY HOLDINGS LTD·Filed 2020·Application pending·0 cites
- 1848US2008005962A1Plant Culturing ApparatusHASHIMOTO MASAKI·Filed 2005·Application pending·0 cites
- 1947US2005005518A1Plant cultivation method, plant cultivation tool, and plant cultivation vesselFiled 2002·Application pending·0 cites
- 2044US2006168882A1Method and apparatus for culturing plantSUNTORY FLOWERS LTD·Filed 2005·Application pending·0 cites
- 2144US2022217933A1High rebaudioside c-content stevia plantSUNTORY HOLDINGS LTD·Filed 2022·Application pending·0 cites
- 2243US2008250710A1Low Light Cultivation Method and Plant Growth Promoting AgentHIRASAWA EIJI·Filed 2006·Application pending·0 cites
- 2336US2023172136A1Rebaudioside d-rich stevia plantSUNTORY HOLDINGS LTD·Filed 2021·Application pending·0 cites
- 2436US2023180690A1Stevia plant with high content of rebaudioside eSUNTORY HOLDINGS LTD·Filed 2021·Application pending·0 cites
- 2535US12317798B2Rebaudioside M-rich stevia plantSUNTORY HOLDINGS LTD·Filed 2018·Granted Jun 3, 2025·0 cites·7 claims
- 2633US2022273008A1Plant body containing novel steviol glycosideSUNTORY HOLDINGS LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →