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Inventor

Keiji Kitazawa

Inventor
Kanagawa, JP

Overview

3→
Patents
1991–2021
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.

G06Fprimary
G06FElectric digital data processing33%
H04NPictorial communication, e.g. television33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
11,048,408Display apparatus, recording medium, and display method20215,621,611'Display device and method for assembling or disassembling the same'1997D0318465'Computer display'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1997Patents assigned to HITACHI LTD (2)· patent assignee history
1991Based in Hitachi, JP· patent location history
1997Based in Hitachioota, JP· patent location history
2021Patents assigned to KITAZAWA KAZUKI (1)· patent assignee history
2021Patents assigned to RICOH CO LTD (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21991–1997
KITAZAWA KAZUKIself12021
RICOH CO LTD12021
Locations
LocationPatentsSpan
Kanagawa, JP12021
Hitachioota, JP11997
Hitachi, JP11991