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Inventor

Yohei Katayama

Inventor
Yokohama, JP

Overview

12→
Patents
2004–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

F16Fprimary
F16FSprings80%
B60GVehicle suspension arrangements20%
PatentTitleYear
10,012,282Shock absorber20189,856,939'Shock absorber'20189,309,948'Shock absorber'20168,965,632'Suspension control apparatus'20158,800,729'Damping force control type shock absorber'20148,794,400'Damping force adjustable shock absorber'20148,798,859'Suspension control apparatus'20148,651,252'Shock absorber'20148,544,619'Fluid pressure shock absorber'20137,757,826'Damping force adjustable fluid pressure shock absorber'20106,981,577'Controlling damping force shock absorber'20066,817,454'Damping force control type hydraulic shock absorber'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2006Based in Kanagawa, JP· patent location history
2006–2014Patents assigned to HITACHI LTD (4)· patent assignee history
2010–2014Based in Kawasaki, JP· patent location history
2013–2014Patents assigned to KATAYAMA YOHEI (5)· patent assignee history
2013–2014Patents assigned to NEZU TAKASHI (3)· patent assignee history
2014–2018Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (7)· patent assignee history
2014Patents assigned to YABE HIROYUKI (3)· patent assignee history
2014–2018Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI AUTOMOTIVE SYSTEMS LTD72014–2018
KATAYAMA YOHEIself52013–2014
HITACHI LTD42006–2014
NEZU TAKASHI32013–2014
YABE HIROYUKI32014
Locations
LocationPatentsSpan
Yokohama, JP72014–2018
Kawasaki, JP32010–2014
Kanagawa, JP22004–2006