Inventor

Hironori Sakai

Inventor
Nagaokakyo, JP

Overview

8→
Patents
2013–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Jprimary
H02JElectric power networks38%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
H04BTransmission13%
B24BMachines, devices, or processes for grinding or polishing6%
B25FCombination or multi-purpose tools not otherwise provided for6%
G10KSound-producing devices6%
H02KDynamo-electric machines6%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%
H10NElectric solid-state devices not otherwise provided for6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2018Patents assigned to MURATA MANUFACTURING CO (7)· patent assignee history
2013–2014Patents assigned to SAKAI HIRONORI (2)· patent assignee history
2013Patents assigned to ICHIKAWA KEIICHI (1)· patent assignee history
2013–2018Based in Nagaokakyo, JP· patent location history
2020Patents assigned to HITACHI KOKI KK (1)· patent assignee history
2020Patents assigned to KOKI HOLDINGS CO LTD (1)· patent assignee history
2020Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MURATA MANUFACTURING CO72013–2018
SAKAI HIRONORIself22013–2014
HITACHI KOKI KK12020
ICHIKAWA KEIICHI12013
KOKI HOLDINGS CO LTD12020
Locations
LocationPatentsSpan
Nagaokakyo, JP72013–2018
Ibaraki, JP12020