Inventor · disambiguated record
Takamitsu Hafuka
Also filed as: HAFUKA TAKAMITSU
8 granted patents·1 pending application·8 citations·filing 2005–2018
76Inventor score
Top patents by PatentIndex Score
9 records- 0163US7711036B2Synchronous acquisition circuit and a synchronous acquisition method of a spread spectrum codeOKI SEMICONDUCTOR CO LTD·Filed 2005·Granted May 4, 2010·4 cites·7 claims
- 0261US8519784B2FSK demodulatorHAFUKA TAKAMITSU·Filed 2012·Granted Aug 27, 2013·3 cites·12 claims
- 0350US7860154B2Spread spectrum receiver for restoring received symbols with a symbol detection window adjusted in optimal and a method thereforOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Dec 28, 2010·1 cites·2 claims
- 0447US8032576B2Fast fourier transform circuit and fast fourier transform methodOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Oct 4, 2011·0 cites·11 claims
- 0540US10594282B2Automatic gain control (AGC) circuit, despreading circuit, and method for reproducing reception dataLAPIS SEMICONDUCTOR CO LTD·Filed 2018·Granted Mar 17, 2020·0 cites·8 claims
- 0640US8094753B2Device for estimating symbol timing or frequency offset with reliability of demodulated signal determinedHAFUKA TAKAMITSU·Filed 2008·Granted Jan 10, 2012·0 cites·11 claims
- 0735US9356771B2Method of generating clock and semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2015·Granted May 31, 2016·0 cites·13 claims
- 0833US10333583B2Signal detection circuit and signal detection methodLAPIS SEMICONDUCTOR CO LTD·Filed 2018·Granted Jun 25, 2019·0 cites·14 claims
- 0930US2016226686A1Receiving apparatus and receiving methodLAPIS SEMICONDUCTOR CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →