Inventor · disambiguated record
Keiichi Hatano
Also filed as: HATANO KEIICHI
11 granted patents·5 pending applications·16 citations·filing 2009–2025
83Inventor score
Top patents by PatentIndex Score
16 records- 0183US8674589B2Piezoelectric ceramics and multi-layered piezoelectric ceramic componentsHATANO KEIICHI·Filed 2012·Granted Mar 18, 2014·6 cites·6 claims
- 0276US8471442B2Piezoelectric ceramic, method for producing same, and piezoelectric deviceHATANO KEIICHI·Filed 2010·Granted Jun 25, 2013·5 cites·20 claims
- 0375US10446737B2Piezoelectric element and method of manufacturing the sameTAIYO YUDEN KK·Filed 2017·Granted Oct 15, 2019·2 cites·11 claims
- 0471US9450173B2Piezoelectric ceramic and piezoelectric elementTAIYO YUDEN KK·Filed 2013·Granted Sep 20, 2016·2 cites·8 claims
- 0564US9281465B2Piezoelectric element and method of manufacturing the sameTAIYO YUDEN KK·Filed 2013·Granted Mar 8, 2016·1 cites·11 claims
- 0663US10418542B2Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramicTAIYO YUDEN KK·Filed 2017·Granted Sep 17, 2019·0 cites·6 claims
- 0762US2024409470A1Dielectric ceramic composition and multilayer ceramic electronic deviceTAIYO YUDEN KK·Filed 2024·Application pending·0 cites
- 0860US9786833B2Piezoelectric ceramic, method of manufacturing same, and piezoelectric ceramic speaker using sameTAIYO YUDEN KK·Filed 2014·Granted Oct 10, 2017·0 cites·7 claims
- 0956US8487515B2Piezoelectric ceramic, process for producing the piezoelectric ceramic, and piezoelectric deviceHATANO KEIICHI·Filed 2009·Granted Jul 16, 2013·0 cites·9 claims
- 1054US11895924B2Piezoelectric ceramic composition and manufacturing method thereof, including piezoelectric ceramic, piezoelectric element, and piezoelectric vibration deviceTAIYO YUDEN KK·Filed 2019·Granted Feb 6, 2024·0 cites·7 claims
- 1150US9537082B2Piezoelectric ceramic, piezoelectric ceramic component, and piezoelectric device using such piezoelectric ceramic componentHATANO KEIICHI·Filed 2011·Granted Jan 3, 2017·0 cites·17 claims
- 1250US2025239402A1Multilayer ceramic electronic device and dielectric ceramic compositionTAIYO YUDEN KK·Filed 2025·Application pending·0 cites
- 1348US2023311076A1Polymer flocculant mixing and dissolving systemTOMOE KOGYO KK·Filed 2020·Application pending·0 cites
- 1444US2013188292A1Ceramic composition and a laminated ceramic electronic component including the same thereofKOBAYASHI KEISUKE·Filed 2012·Application pending·0 cites
- 1543US11997930B2Piezoelectric element and method for manufacturing sameTAIYO YUDEN KK·Filed 2021·Granted May 28, 2024·0 cites·13 claims
- 1637US2012229953A1Lead-free piezoelectric porcelain composition, piezoelectric ceramic component formed using the composition, and process for producing piezoelectric ceramic componentHATANO KEIICHI·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keiichi Hatano files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →