Inventor
HATANO KEIICHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “HATANO KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIYO YUDEN KK
7 patentsUS10446737B2Oct 15, 2019
Piezoelectric element and method of manufacturing the same
TAIYO YUDEN KK2 citations71
US9450173B2Sep 20, 2016
Piezoelectric ceramic and piezoelectric element
TAIYO YUDEN KK2 citations61
US11895924B2Feb 6, 2024
Piezoelectric ceramic composition and manufacturing method thereof, including piezoelectric ceramic, piezoelectric element, and piezoelectric vibration device
TAIYO YUDEN KK0 citations56
US9281465B2Mar 8, 2016
Piezoelectric element and method of manufacturing the same
TAIYO YUDEN KK1 citations51
US10418542B2Sep 17, 2019
Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramic
TAIYO YUDEN KK0 citations49
US9786833B2Oct 10, 2017
Piezoelectric ceramic, method of manufacturing same, and piezoelectric ceramic speaker using same
TAIYO YUDEN KK0 citations49
US11997930B2May 28, 2024
Piezoelectric element and method for manufacturing same
TAIYO YUDEN KK0 citations43
HATANO KEIICHI
4 patentsUS8471442B2Jun 25, 2013
Piezoelectric ceramic, method for producing same, and piezoelectric device
HATANO KEIICHI5 citations70
US8674589B2Mar 18, 2014
Piezoelectric ceramics and multi-layered piezoelectric ceramic components
HATANO KEIICHI6 citations68
US9537082B2Jan 3, 2017
Piezoelectric ceramic, piezoelectric ceramic component, and piezoelectric device using such piezoelectric ceramic component
HATANO KEIICHI0 citations50
US8487515B2Jul 16, 2013
Piezoelectric ceramic, process for producing the piezoelectric ceramic, and piezoelectric device
HATANO KEIICHI0 citations49