Inventor

Kenjiro Fujii

Inventor
Funabashi, JP

Overview

7→
Patents
1988–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

G06Fprimary
G06FElectric digital data processing20%
H05KPrinted circuits20%
A63FCard, board, or roulette games10%
B25JManipulators10%
B61DBody details or kinds of railway vehicles10%
G05BControl or regulating systems in general10%
H01HElectric switches10%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2021Patents assigned to HITACHI LTD (5)· patent assignee history
1988–1993Based in Funabashi, JP· patent location history
2005Patents assigned to TOKAI RYOKAKU TETSUDO KK (1)· patent assignee history
2005–2021Based in Tokyo, JP· patent location history
2006Patents assigned to HITACHI KEIYO ENG (1)· patent assignee history
2006–2009Based in Yachiyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD51988–2021
HITACHI KEIYO ENG12006
TOKAI RYOKAKU TETSUDO KK12005
Locations
LocationPatentsSpan
Funabashi, JP31988–1993
Tokyo, JP22005–2021
Yachiyo, JP22006–2009