Inventor

Masakazu Akiyama

Inventor
Katsuta, JP

Overview

4→
Patents
1988–2013
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G06Fprimary
G06FElectric digital data processing50%
H04LTransmission of digital information, e.g. telegraphic communication33%
B61LGuiding railway traffic17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2007Patents assigned to HITACHI LTD (3)· patent assignee history
1988–1991Based in Katsuta, JP· patent location history
2007Based in Hitachinaka, JP· patent location history
2013Patents assigned to AKIYAMA MASAKAZU (1)· patent assignee history
2013Patents assigned to FURUTA MITSUNOBU (1)· patent assignee history
2013Patents assigned to KOBAYASHI RYO (1)· patent assignee history
2013Patents assigned to UNIV HIROSHIMA (1)· patent assignee history
2013Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31988–2007
AKIYAMA MASAKAZUself12013
FURUTA MITSUNOBU12013
KOBAYASHI RYO12013
UNIV HIROSHIMA12013
Locations
LocationPatentsSpan
Katsuta, JP21988–1991
Hiroshima, JP12013
Hitachinaka, JP12007