Inventor
Yukie Keicho
Inventor
Kanagawa, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus38%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein38%
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.
2020Patents assigned to TIANMA JAPAN LTD (2)· patent assignee history
2020–2021Patents assigned to TIANMA MICROELECTRONICS CO LTD (2)· patent assignee history
2020–2021Based in Kanagawa, JP· patent location history
2020Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TIANMA JAPAN LTD | 2 | 2020 |
| TIANMA MICROELECTRONICS CO LTD | 2 | 2020–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 2 | 2020–2021 |
| Kawasaki, JP | 1 | 2020 |