Inventor · disambiguated record
Koichi Maezawa
Also filed as: MAEZAWA KOICHI
6 granted patents·188 citations·filing 1985–2015
82Inventor score
Files withHITACHI LTD1INST NAGOYA IND SCIENCE RES1MAEZAWA KOICHI1MOTOBAYASHI TETSUYA1NIPPON TELEGRAPH & TELEPHONE1
Top patents by PatentIndex Score
6 records- 0195US6388597B1Δ-Σ modulator and Δ-Σ A/D converterINST NAGOYA IND SCIENCE RES·Filed 2001·Granted May 14, 2002·127 cites·20 claims
- 0270US4776224APlanetary gear type reduction starterHITACHI LTD·Filed 1985·Granted Oct 11, 1988·27 cites·1 claims
- 0367US7609187B2ΔΣ modulator and ΔΣ analog-digital converterUNIV NAGOYA NAT UNIV CORP·Filed 2006·Granted Oct 27, 2009·7 cites·34 claims
- 0464US5313117ASemiconductor logic circuit using two n-type negative resistance devicesNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted May 17, 1994·27 cites·10 claims
- 0535US9503811B2Digital microphone and position-to-frequency converterMAEZAWA KOICHI·Filed 2015·Granted Nov 22, 2016·0 cites·12 claims
- 0624US8077886B2Digital microphoneMOTOBAYASHI TETSUYA·Filed 2009·Granted Dec 13, 2011·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →