Inventor

Koichi Tokura

Inventor
Ichikawa, JP

Overview

6→
Patents
1977–1989
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G06Fprimary
G06FElectric digital data processing50%
H01GCapacitors33%
H04LTransmission of digital information, e.g. telegraphic communication17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to FUJITSU LTD (3)· patent assignee history
1977Based in Ichikawa, JP· patent location history
1977Based in Chiba, JP· patent location history
1986Patents assigned to JAPAN NATIONAL RAILWAY (1)· patent assignee history
1986Based in Kanagawa, JP· patent location history
1987–1989Patents assigned to RISHO KOGYO KK (2)· patent assignee history
1987Based in Amagasaki, JP· patent location history
1989Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD31977
RISHO KOGYO KK21987–1989
JAPAN NATIONAL RAILWAY11986
Locations
LocationPatentsSpan
Ichikawa, JP21977
Osaka, JP11989
Amagasaki, JP11987
Kanagawa, JP11986
Chiba, JP11977