P

Inventor

URABE YOSHIKAZU

JP8 patents
⚠️ This page may combine multiple inventors who share the name “URABE YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

4 patents
US8369713B2Feb 5, 2013

Bit-rate discrimination method and its apparatus

NIPPON TELEGRAPH & TELEPHONE0 citations51
US12425279B2Sep 23, 2025

Connecting circuit and communication interface

NIPPON TELEGRAPH & TELEPHONE0 citations48
US12308868B2May 20, 2025

Amplifier circuit

NIPPON TELEGRAPH & TELEPHONE0 citations48
US10804857B2Oct 13, 2020

Amplifier

NIPPON TELEGRAPH & TELEPHONE0 citations48

NIPPON TELEPHONE AND TELEGRAPH CORP

1 patent
US7868701B2Jan 11, 2011

Transimpedance amplifier

NIPPON TELEPHONE AND TELEGRAPH CORP21 citations82

NAKAMURA MAKOTO

1 patent
US8144813B2Mar 27, 2012

Receiving method and receiving circuit

NAKAMURA MAKOTO4 citations59

NTT INC

1 patent
US12489404B2Dec 2, 2025

Transmission interface and transmitter

NTT INC0 citations47

KOIZUMI HIROSHI

1 patent
US9025970B2May 5, 2015

Optical signal cutoff detection circuit and optical receiver

KOIZUMI HIROSHI0 citations39