Inventor · disambiguated record
Toshiyuki Hitotsuyanagi
Also filed as: HITOTSUYANAGI TOSHIYUKI
4 granted patents·5 citations·filing 2009–2022
63Inventor score
Top patents by PatentIndex Score
4 records- 0187US11535755B2Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet inkDAINICHISEIKA COLOR CHEM·Filed 2017·Granted Dec 27, 2022·2 cites·11 claims
- 0274US8546502B2Method for producing dye polymer, dye polymer and use of the sameSHIMANAKA HIROYUKI·Filed 2009·Granted Oct 1, 2013·3 cites·10 claims
- 0372US11773267B2Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet inkDAINICHISEIKA COLOR CHEM·Filed 2022·Granted Oct 3, 2023·0 cites·11 claims
- 0451US8822591B2Pigment dispersionsMURAKAMI YOSHIKAZU·Filed 2009·Granted Sep 2, 2014·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →