Inventor
Yoshifumi Doi
Inventor
Tokyo, JP
Overview
Patents· 4 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 therein50%
G06FElectric digital data processing25%
G09GArrangements or circuits for control of indicating devices using static means to present variable information25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2015Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
2005Patents assigned to RENESAS TECH CORP (1)· patent assignee history
2005–2015Based in Tokyo, JP· patent location history
2015Patents assigned to DOI YOSHIFUMI (1)· patent assignee history
2015Patents assigned to MURAI HIROYUKI (1)· patent assignee history
2015Patents assigned to TOBITA YOUICHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 3 | 2005–2015 |
| DOI YOSHIFUMIself | 1 | 2015 |
| MURAI HIROYUKI | 1 | 2015 |
| RENESAS TECH CORP | 1 | 2005 |
| TOBITA YOUICHI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2005–2015 |