Inventor

TOKUNAGA RYUJI

JP6 patents

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

SONY GROUP CORP

2 patents

US12322409B2Jun 3, 2025

Data processing apparatus, data processing method, and data processing program

SONY GROUP CORP0 citations60

US12081347B2Sep 3, 2024

Reception terminal and method

SONY GROUP CORP0 citations50

TOKUNAGA RYUJI

2 patents

US9001188B2Apr 7, 2015

Information processing apparatus, information processing method and program

TOKUNAGA RYUJI0 citations32

US9955138B2Apr 24, 2018

Information processing apparatus, information processing method and program

TOKUNAGA RYUJI0 citations29

SONY CORP

1 patent

US8370724B2Feb 5, 2013

Audio reproduction device, information reproduction system, audio reproduction method, and program

SONY CORP3 citations60

SONY SEMICONDUCTOR SOLUTIONS CORP

1 patent

US10547960B2Jan 28, 2020

Audio processing apparatus

SONY SEMICONDUCTOR SOLUTIONS CORP0 citations38