Inventor
Kayo Okada
Inventor
Beppu, JP
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| CASIO COMPUTER CO LTD | 1 | 2019 |
| NEC ELECTRONICS CORP | 1 | 2004 |
| SEIKO EPSON CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beppu, JP | 1 | 2021 |
| Fuchu, JP | 1 | 2019 |
| Tokyo, JP | 1 | 2004 |