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Inventor

Makoto Yamahata

Inventor
Chigasaki, JP

Overview

3→
Patents
1992–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

B60Gprimary
B60GVehicle suspension arrangements25%
F16FSprings25%
G03GElectrography25%
G11BInformation storage based on relative movement between record carrier and transducer25%
PatentTitleYear
11,104,198Suspension control apparatus20215,390,010'Drive mechanism for an electrophotographic apparatus for ensuring equal rotational speeds of intermediate transfer and photosensitive devices'19955,086,422'Optical disk apparatus'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to RICOH KK (1)· patent assignee history
1992Based in Fukuoka, JP· patent location history
1995Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
1995Based in Chikushino, JP· patent location history
2021Patents assigned to HITACHI ASTEMO LTD (1)· patent assignee history
2021Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (1)· patent assignee history
2021Based in Chigasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI ASTEMO LTD12021
HITACHI AUTOMOTIVE SYSTEMS LTD12021
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11995
RICOH KK11992
Locations
LocationPatentsSpan
Chigasaki, JP12021
Chikushino, JP11995
Fukuoka, JP11992