LexDanaLexDanabeta
Inventor

Naofumi Harada

Inventor
Yokohama, JP

Overview

8→
Patents
1999–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

B60Gprimary
B60GVehicle suspension arrangements25%
F04BPositive-displacement machines for liquids19%
F16FSprings19%
B60TVehicle brake control systems or parts thereof13%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology6%
F16CShafts6%
G06FElectric digital data processing6%
H02JElectric power networks6%
PatentTitleYear
10,766,330Air suspension system202010,190,579Reciprocating compressor201910,189,328Vehicular pump apparatus and vehicular bracket201910,012,282Shock absorber20189,211,875'Suspension control apparatus'20158,348,283'Suspension control apparatus and vehicle control apparatus'20136,031,356'Battery charging and discharging control circuit which charges an expansion battery only if there is a full charge on an internal battery'20005,910,750'Low power consumption switching device for power source'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2000Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1999Based in Tokyo, JP· patent location history
2000Based in Fujisawa, JP· patent location history
2013–2020Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (6)· patent assignee history
2013–2015Patents assigned to HARADA NAOFUMI (2)· patent assignee history
2013Patents assigned to GANKAI TATSUYA (1)· patent assignee history
2013Patents assigned to KUMEMURA YOICHI (1)· patent assignee history
2013–2019Based in Yokohama, JP· patent location history
2018Based in Kawasaki, JP· patent location history
2020Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI AUTOMOTIVE SYSTEMS LTD62013–2020
HARADA NAOFUMIself22013–2015
MITSUBISHI ELECTRIC CORP21999–2000
GANKAI TATSUYA12013
KUMEMURA YOICHI12013
Locations
LocationPatentsSpan
Yokohama, JP42013–2019
Hitachinaka, JP12020
Kawasaki, JP12018
Fujisawa, JP12000
Tokyo, JP11999