Inventor · disambiguated record
Katsuna Hayashi
Also filed as: HAYASHI KATSUNA
8 granted patents·2 pending applications·140 citations·filing 2009–2019
85Inventor score
Top patents by PatentIndex Score
10 records- 0197US8678106B2Rotary impact toolMATSUNAGA YUTAKA·Filed 2010·Granted Mar 25, 2014·101 cites·7 claims
- 0290US10720863B2Electric power toolMAKITA CORP·Filed 2019·Granted Jul 21, 2020·5 cites·20 claims
- 0388US9510504B2Work machine having operation rodMAKITA CORP·Filed 2013·Granted Dec 6, 2016·12 cites·15 claims
- 0482US10731812B2Push cartMAKITA CORP·Filed 2018·Granted Aug 4, 2020·5 cites·8 claims
- 0577US11213933B2Electric working machineMAKITA CORP·Filed 2018·Granted Jan 4, 2022·2 cites·9 claims
- 0673US8469115B2Electrical power toolKONDO TOMOYUKI·Filed 2009·Granted Jun 25, 2013·13 cites·5 claims
- 0772US10148213B2Electronic power equipmentMAKITA CORP·Filed 2016·Granted Dec 4, 2018·2 cites·13 claims
- 0861US11161227B2Electric working machine and method for controlling motor of electric working machineMAKITA CORP·Filed 2018·Granted Nov 2, 2021·0 cites·8 claims
- 0949US2013277081A1Rechargeable electric power toolMAKITA CORP·Filed 2013·Application pending·0 cites
- 1039US2018215404A1Electric push cartMAKITA CORP·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Katsuna Hayashi 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 →