Inventor
OIZUMI YOSHIFUMI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OIZUMI YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
10 patentsUS10965909B2Mar 30, 2021
Image processing apparatus, camera apparatus, and image processing method
YAMAHA CORP7 citations79
US9497542B2Nov 15, 2016
Signal processing system and signal processing method
YAMAHA CORP4 citations73
US10827075B2Nov 3, 2020
Echo reducer, voice communication device, method for reducing echo, and recording medium
YAMAHA CORP2 citations70
US12375847B2Jul 29, 2025
Phone booth and method of controlling output of directional speaker
YAMAHA CORP0 citations62
US12081937B2Sep 3, 2024
Sound emitting apparatus
YAMAHA CORP0 citations62
US11190872B2Nov 30, 2021
Signal processing system and signal processing meihod
YAMAHA CORP0 citations62
US12581232B2Mar 17, 2026
Sound collection control method and sound collection apparatus
YAMAHA CORP0 citations61
US12439216B2Oct 7, 2025
Microphone state display method and microphone state display apparatus
YAMAHA CORP0 citations61
US11373669B2Jun 28, 2022
Acoustic processing method and acoustic device
YAMAHA CORP1 citations53
US10250974B2Apr 2, 2019
Signal processing system and signal processing method
YAMAHA CORP0 citations52
JSR CORP
2 patentsUS9513548B2Dec 6, 2016
Radiation-sensitive resin composition, method for forming resist pattern, polymer and polymerizable compound
JSR CORP2 citations60
US10048586B2Aug 14, 2018
Radiation-sensitive resin composition, method for forming resist pattern, polymer and polymerizable compound
JSR CORP0 citations51