Inventor · disambiguated record
Yuuji Hirasawa
Also filed as: HIRASAWA YUUJI
4 granted patents·51 citations·filing 1992–2020
73Inventor score
Top patents by PatentIndex Score
4 records- 0172US6123763APigment dispersing agent and pigment composition containing the sameTOYO INK MFG CO·Filed 1999·Granted Sep 26, 2000·38 cites·4 claims
- 0269US5286287AMonoazo lake pigment suitable for use in printing ink and process for the production thereofTOYO INK MFG CO·Filed 1992·Granted Feb 15, 1994·11 cites·9 claims
- 0341US12089013B2Audio processing device having microphones arranged with different spacing and diametersSONY GROUP CORP·Filed 2020·Granted Sep 10, 2024·0 cites·14 claims
- 0438USD967076SMicrophoneSONY CORP·Filed 2019·Granted Oct 18, 2022·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →