Inventor

Kazutake Uehira

Inventor
Tokyo, JP

Overview

15→
Patents
1993–2017
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television34%
G02BOptical elements, systems or apparatus31%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
G01BMeasuring length, thickness or similar linear dimensions7%
G01CMeasuring distances, levels or bearings7%
G06TImage data processing or generation, in general7%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to RICOH COMPANY LTD AND NIPPON T (1)· patent assignee history
1993Based in Yokosuka, JP· patent location history
1994–2006Patents assigned to NIPPON TELEGRAPH & TELEPHONE (11)· patent assignee history
1994–2004Based in Tokorozawa, JP· patent location history
2003–2017Based in Tokyo, JP· patent location history
2014–2017Patents assigned to EMPIRE TECHNOLOGY DEV LLC (3)· patent assignee history
2014–2015Patents assigned to SUZUKI MASAHIRO (2)· patent assignee history
2014–2015Patents assigned to UEHIRA KAZUTAKE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE111994–2006
EMPIRE TECHNOLOGY DEV LLC32014–2017
SUZUKI MASAHIRO22014–2015
UEHIRA KAZUTAKEself22014–2015
RICOH COMPANY LTD AND NIPPON T11993
Locations
LocationPatentsSpan
Tokyo, JP82003–2017
Tokorozawa, JP61994–2004
Yokosuka, JP11993