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Inventor

Hirohiko Ishikawa

Inventor
Kariya, JP

Overview

8→
Patents
2009–2018
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.

B66Fprimary
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load31%
F15BSystems acting by means of fluids in general25%
H02NElectric machines not otherwise provided for19%
B60LPropulsion of electrically-propelled vehicles6%
E02FDredging6%
F04BPositive-displacement machines for liquids6%
H10NElectric solid-state devices not otherwise provided for6%
PatentTitleYear
10,059,575Hydraulic control device for forklift20189,957,982Lifting device20189,771,250'Hydraulic control device for forklift'20179,631,613'Hydraulic drive device for cargo handling vehicle'20179,469,515'Forklift hydraulic control apparatus'20167,851,972'Vibration actuator'20107,786,650'Ultrasonic motor'20107,638,927'Vibration actuator'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2018Patents assigned to TOYOTA JIDOSHOKKI KK (8)· patent assignee history
2009–2010Based in Aichi, JP· patent location history
2010Patents assigned to TOKYO INST TECH (1)· patent assignee history
2016–2018Based in Kariya, JP· patent location history
2017Patents assigned to NISHINA KOGYO KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA JIDOSHOKKI KK82009–2018
NISHINA KOGYO KK12017
TOKYO INST TECH12010
Locations
LocationPatentsSpan
Kariya, JP52016–2018
Aichi, JP32009–2010