Inventor

MAEZAWA KOICHI

JP6 patents

⚠️ This page may combine multiple inventors who share the name “MAEZAWA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

INST NAGOYA IND SCIENCE RES

1 patent

US6388597B1May 14, 2002

Δ-Σ modulator and Δ-Σ A/D converter

INST NAGOYA IND SCIENCE RES127 citations96

HITACHI LTD

1 patent

US4776224AOct 11, 1988

Planetary gear type reduction starter

HITACHI LTD27 citations90

NIPPON TELEGRAPH & TELEPHONE

1 patent

US5313117AMay 17, 1994

Semiconductor logic circuit using two n-type negative resistance devices

NIPPON TELEGRAPH & TELEPHONE27 citations89

UNIV NAGOYA NAT UNIV CORP

1 patent

US7609187B2Oct 27, 2009

ΔΣ modulator and ΔΣ analog-digital converter

UNIV NAGOYA NAT UNIV CORP7 citations72

MAEZAWA KOICHI

1 patent

US9503811B2Nov 22, 2016

Digital microphone and position-to-frequency converter

MAEZAWA KOICHI0 citations42

MOTOBAYASHI TETSUYA

1 patent

US8077886B2Dec 13, 2011

Digital microphone

MOTOBAYASHI TETSUYA0 citations34