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Inventor

Satoshi Oouchi

Inventor
Tokyo, JP

Overview

2→
Patents
1988–2019
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus25%
G09GArrangements or circuits for control of indicating devices using static means to present variable information25%
H01RElectrically-conductive connections25%
H04NPictorial communication, e.g. television25%
PatentTitleYear
10,187,620Display device20194,748,363'Current-collecting brush apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to HITACHI LTD (1)· patent assignee history
1988Patents assigned to HITACHI SERVICE ENG (1)· patent assignee history
1988Based in Hitachi, JP· patent location history
2019Patents assigned to MAXELL LTD (1)· patent assignee history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11988
HITACHI SERVICE ENG11988
MAXELL LTD12019
Locations
LocationPatentsSpan
Tokyo, JP12019
Hitachi, JP11988