Inventor

Kayo Okada

Inventor
Beppu, JP

Overview

3→
Patents
2004–2021
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.

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
G09GArrangements or circuits for control of indicating devices using static means to present variable information25%
G01SRadio direction-finding13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
G05BControl or regulating systems in general13%
G06FElectric digital data processing13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to NEC ELECTRONICS CORP (1)· patent assignee history
2004Based in Tokyo, JP· patent location history
2019Patents assigned to CASIO COMPUTER CO LTD (1)· patent assignee history
2019Based in Fuchu, JP· patent location history
2021Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2021Based in Beppu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CASIO COMPUTER CO LTD12019
NEC ELECTRONICS CORP12004
SEIKO EPSON CORP12021
Locations
LocationPatentsSpan
Beppu, JP12021
Fuchu, JP12019
Tokyo, JP12004