Inventor
YAJIMA CHIKASHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “YAJIMA CHIKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY MOBILE COMMUNICATIONS INC
7 patentsUS8718930B2May 6, 2014
Acoustic navigation method
SONY MOBILE COMMUNICATIONS INC21 citations92
US9351090B2May 24, 2016
Method of checking earphone wearing state
SONY MOBILE COMMUNICATIONS INC14 citations83
US9860625B2Jan 2, 2018
Control method of mobile terminal apparatus
SONY MOBILE COMMUNICATIONS INC4 citations72
US9749846B2Aug 29, 2017
Image recognition for pairing of devices
SONY MOBILE COMMUNICATIONS INC3 citations72
US10638213B2Apr 28, 2020
Control method of mobile terminal apparatus
SONY MOBILE COMMUNICATIONS INC0 citations51
US9916004B2Mar 13, 2018
Display device
SONY MOBILE COMMUNICATIONS INC0 citations41
US9479872B2Oct 25, 2016
Audio reproducing method and apparatus
SONY MOBILE COMMUNICATIONS INC0 citations41