Inventor
KATOH HIROKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KATOH HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
9 patentsUS11239410B2Feb 1, 2022
Piezoelectric composition and piezoelectric element
TDK CORP2 citations71
US11005028B2May 11, 2021
Piezoelectric composition and piezoelectric element
TDK CORP4 citations69
US11659769B2May 23, 2023
Piezoelectric composition and piezoelectric element
TDK CORP0 citations60
US11271147B2Mar 8, 2022
Piezoelectric composition and piezoelectric element
TDK CORP0 citations60
US11195986B2Dec 7, 2021
Piezoelectric composition and piezoelectric element
TDK CORP0 citations60
US12096695B2Sep 17, 2024
Piezoelectric element, piezoelectric actuator, and piezoelectric transformer
TDK CORP0 citations55
US12137614B2Nov 5, 2024
Piezoelectric composition, piezoelectric element, piezoelectric device, piezoelectric transformer, ultrasonic motor, ultrasonic wave-generating element, and filter element
TDK CORP0 citations53
US9831418B2Nov 28, 2017
Piezoelectric composition and piezoelectric element
TDK CORP0 citations50
US9905749B2Feb 27, 2018
Piezoelectric composition and piezoelectric device
TDK CORP1 citations49
BROTHER IND LTD
3 patentsUS10691040B2Jun 23, 2020
Abnormal discharge detection circuit for corona chargers
BROTHER IND LTD1 citations60
US9835969B2Dec 5, 2017
Image forming apparatus having a plurality of selectively charged photosensitive bodies and controlling method for same
BROTHER IND LTD0 citations41
US10268151B2Apr 23, 2019
Image forming apparatus having photoconductor and method of controlling the same
BROTHER IND LTD0 citations38