Inventor · disambiguated record
Kouji Hirai
Also filed as: HIRAI KOUJI
4 granted patents·24 citations·filing 1998–2016
71Inventor score
Top patents by PatentIndex Score
4 records- 0180US9735815B1Radio apparatusFUJITSU LTD·Filed 2016·Granted Aug 15, 2017·6 cites·5 claims
- 0260US6664911B2Differential input A/D converterNEC ELECTRONICS CORP·Filed 2002·Granted Dec 16, 2003·14 cites·14 claims
- 0352US8014736B2Distortion compensating apparatus, wireless communicating apparatus, and distortion compensating methodFUJITSU LTD·Filed 2008·Granted Sep 6, 2011·3 cites·12 claims
- 0425US6154016AVoltage-to-current converting circuit which has a wide control range and which utilizes a depletion type field effect transistorNEC CORP·Filed 1998·Granted Nov 28, 2000·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →