Inventor · disambiguated record
Hirotsugu Ito
Also filed as: ITO HIROTSUGU
6 granted patents·4 pending applications·132 citations·filing 1990–2023
83Inventor score
Top patents by PatentIndex Score
10 records- 0186US5048804AApparatus for holding an object to a surface using valve controlled vacuum forceFSK INC·Filed 1990·Granted Sep 17, 1991·64 cites·8 claims
- 0282US8871934B2Fluorene compound and pharmaceutical use thereofJAPAN TOBACCO INC·Filed 2012·Granted Oct 28, 2014·5 cites·1 claims
- 0381US8343994B2Fluorene compound and pharmaceutical use thereofJAPAN TOBACCO INC·Filed 2009·Granted Jan 1, 2013·4 cites·7 claims
- 0475US2020308109A1Fluorene compound and pharmaceutical use thereofJAPAN TOBACCO INC·Filed 2019·Application pending·0 cites
- 0569US5177857AMethod for holding an object to a surface using valve controlled vacuum forceFSK INC·Filed 1991·Granted Jan 12, 1993·30 cites·10 claims
- 0662US5811013AOil separating methodFSK INC·Filed 1995·Granted Sep 22, 1998·29 cites·16 claims
- 0762US2015329491A1Fluorene compound and pharmaceutical use thereofJAPAN TOBACCO INC·Filed 2014·Application pending·0 cites
- 0862US2019177271A1Fluorene compound and pharmaceutical use thereofJAPAN TOBACCO INC·Filed 2018·Application pending·0 cites
- 0958US2025195518A1Indazole compound and pharmaceutical use thereofJAPAN TOBACCO INC·Filed 2023·Application pending·0 cites
- 1045US10981877B2Production method for pyrazole-amide compoundJAPAN TOBACCO INC·Filed 2017·Granted Apr 20, 2021·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →