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Inventor

UZAWA HIROYUKI

JP36 patents
⚠️ This page may combine multiple inventors who share the name “UZAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

30 patents
US11947507B2Apr 2, 2024

Traffic monitoring device, traffic monitoring method, and traffic monitoring program

NIPPON TELEGRAPH & TELEPHONE2 citations72
US11329749B2May 10, 2022

Bandwidth allocation device and bandwidth allocation method

NIPPON TELEGRAPH & TELEPHONE2 citations72
US10038507B2Jul 31, 2018

Optical transmission system, phase compensation method, and optical reception apparatus

NIPPON TELEGRAPH & TELEPHONE3 citations72
US10243664B2Mar 26, 2019

Optical modulator driver circuit and optical transmitter

NIPPON TELEGRAPH & TELEPHONE5 citations71
US12414095B2Sep 9, 2025

Bandwidth allocation device and bandwidth allocation method

NIPPON TELEGRAPH & TELEPHONE0 citations62
US11924111B2Mar 5, 2024

Signal transfer device and signal transfer method

NIPPON TELEGRAPH & TELEPHONE1 citations62
US11036871B2Jun 15, 2021

PON system, wireless network system, data transfer method, OLT, and ONU

NIPPON TELEGRAPH & TELEPHONE0 citations62
US12126509B2Oct 22, 2024

Packet capture device, time stamp amendment method, packet capture method and packet capture program

NIPPON TELEGRAPH & TELEPHONE0 citations61
US10193630B2Jan 29, 2019

Station-side device and optical transmission system

NIPPON TELEGRAPH & TELEPHONE1 citations61
US12381801B2Aug 5, 2025

Traffic monitoring device and traffic monitoring method

NIPPON TELEGRAPH & TELEPHONE0 citations58
US12063289B2Aug 13, 2024

Communication system, subscriber line terminal apparatus and communication method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11909658B2Feb 20, 2024

Signal transfer system, path control device, and signal transfer method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11849432B2Dec 19, 2023

Bandwidth allocation apparatus, bandwidth allocation method, and bandwidth allocation program

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11777607B2Oct 3, 2023

Downstream frame transfer device, transfer method, and transfer program

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11637647B2Apr 25, 2023

Downstream frame transfer device, transfer method and transfer program

NIPPON TELEGRAPH & TELEPHONE0 citations51
US11349766B2May 31, 2022

Bandwidth allocation apparatus and bandwidth allocation method

NIPPON TELEGRAPH & TELEPHONE0 citations51
US12407589B2Sep 2, 2025

Packet capture device and packet capture method

NIPPON TELEGRAPH & TELEPHONE0 citations50
US12323311B2Jun 3, 2025

Packet capture system, method and program

NIPPON TELEGRAPH & TELEPHONE0 citations50
US12114201B2Oct 8, 2024

Signal transfer device, signal transfer method, signal transfer control device, signal transfer control method and signal transfer program

NIPPON TELEGRAPH & TELEPHONE0 citations50
US11924740B2Mar 5, 2024

Signal transfer system, signal transfer device, route control device and signal transfer method

NIPPON TELEGRAPH & TELEPHONE0 citations50
US11825395B2Nov 21, 2023

Route control method and route control device

NIPPON TELEGRAPH & TELEPHONE0 citations50
US11711303B2Jul 25, 2023

Communication control system, communication control method, communication control apparatus and communication control program

NIPPON TELEGRAPH & TELEPHONE0 citations50
US11706664B2Jul 18, 2023

Route control method and route control device

NIPPON TELEGRAPH & TELEPHONE0 citations50
US11496406B2Nov 8, 2022

Transfer apparatus, transfer method, and transfer program

NIPPON TELEGRAPH & TELEPHONE0 citations50
US11146869B2Oct 12, 2021

Bandwidth allocation apparatus and bandwidth allocation method

NIPPON TELEGRAPH & TELEPHONE0 citations50
US12028364B2Jul 2, 2024

Communication control system, network controller and computer program

NIPPON TELEGRAPH & TELEPHONE0 citations49
US11463382B2Oct 4, 2022

Communication control system and communication control method

NIPPON TELEGRAPH & TELEPHONE0 citations49
US11451481B2Sep 20, 2022

Network control apparatus and network control method

NIPPON TELEGRAPH & TELEPHONE0 citations49
US10602407B2Mar 24, 2020

Radio network system

NIPPON TELEGRAPH & TELEPHONE0 citations41
US10485008B2Nov 19, 2019

Scheduling apparatus and method

NIPPON TELEGRAPH & TELEPHONE0 citations41

MISUMI CORP

4 patents

NTT INC

2 patents