Inventor
MATSUKAWA TAKEO
US16 patents
⚠️ This page may combine multiple inventors who share the name “MATSUKAWA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY INTERACTIVE ENTERTAINMENT INC
13 patentsUS10361673B1Jul 23, 2019
Ambient sound activated headphone
SONY INTERACTIVE ENTERTAINMENT INC31 citations93
US10534454B2Jan 14, 2020
Head-mounted display to controller clock synchronization over EM field
SONY INTERACTIVE ENTERTAINMENT INC12 citations85
US10155154B2Dec 18, 2018
Variable magnetic field-based position
SONY INTERACTIVE ENTERTAINMENT INC5 citations83
US11026021B2Jun 1, 2021
Hybrid speaker and converter
SONY INTERACTIVE ENTERTAINMENT INC5 citations82
US11050399B2Jun 29, 2021
Ambient sound activated device
SONY INTERACTIVE ENTERTAINMENT INC1 citations72
US10666215B2May 26, 2020
Ambient sound activated device
SONY INTERACTIVE ENTERTAINMENT INC3 citations72
US10384122B2Aug 20, 2019
Method and apparatus for the projection of images, video, and/or holograms generated by a computer simulation
SONY INTERACTIVE ENTERTAINMENT INC1 citations72
US11241614B2Feb 8, 2022
Variable magnetic field-based position
SONY INTERACTIVE ENTERTAINMENT INC0 citations62
US11601105B2Mar 7, 2023
Ambient sound activated device
SONY INTERACTIVE ENTERTAINMENT INC0 citations61
US10777006B2Sep 15, 2020
VR body tracking without external sensors
SONY INTERACTIVE ENTERTAINMENT INC1 citations61
US11832071B2Nov 28, 2023
Hybrid speaker and converter
SONY INTERACTIVE ENTERTAINMENT INC0 citations60
US10799791B2Oct 13, 2020
Method and apparatus for the projection of images, video, and/or holograms generated by a computer simulation
SONY INTERACTIVE ENTERTAINMENT INC0 citations51
US10653943B2May 19, 2020
Variable magnetic field-based position
SONY INTERACTIVE ENTERTAINMENT INC0 citations51