Inventor · disambiguated record
Norimasa Kitagawa
Also filed as: KITAGAWA NORIMASA
8 granted patents·2 pending applications·9 citations·filing 2007–2025
76Inventor score
Top patents by PatentIndex Score
10 records- 0179US11277684B2DiffuserONKYO KK·Filed 2020·Granted Mar 15, 2022·2 cites·13 claims
- 0270US8310307B2Amplifying circuitKAWAGUCHI TSUYOSHI·Filed 2011·Granted Nov 13, 2012·6 cites·10 claims
- 0359US2025330735A1Electronic deviceONKYO KK·Filed 2025·Application pending·0 cites
- 0445US8552802B2Amplifying circuit and current-voltage conversion circuitKAWAGUCHI TSUYOSHI·Filed 2011·Granted Oct 8, 2013·1 cites·11 claims
- 0545US7773373B2Vibration-damping structure for audio apparatusONKYO KK·Filed 2007·Granted Aug 10, 2010·0 cites·5 claims
- 0640US9762197B2Music reproducing device with active control ground modeONKYO KK·Filed 2016·Granted Sep 12, 2017·0 cites·2 claims
- 0738US10149053B2Signal processing device, signal processing method, and speaker deviceONKYO KK·Filed 2017·Granted Dec 4, 2018·0 cites·14 claims
- 0837US10243516B2Audio amplifier and audio power amplifierONKYO KK·Filed 2018·Granted Mar 26, 2019·0 cites·4 claims
- 0935US9712919B2Music reproducing device with first and second D/A converters for converting audio signals prior to inversionONKYO KK·Filed 2016·Granted Jul 18, 2017·0 cites·2 claims
- 1035US2019132677A1Signal processing device, signal processing method, and speaker deviceONKYO KK·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →