Inventor
Toshiaki Watanabe
Inventor
Osaka, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC14primary
LOC1429%
A61BDiagnosis14%
G02BOptical elements, systems or apparatus14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
H01HElectric switches14%
H04NPictorial communication, e.g. television14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2005Patents assigned to KOKUYO KK (2)· patent assignee history
2004–2005Based in Osaka, JP· patent location history
2021Patents assigned to IDEC CORP (1)· patent assignee history
2021Patents assigned to OLYMPUS CORP (1)· patent assignee history
2021Patents assigned to SHINETSU CHEMICAL CO (1)· patent assignee history
2021Based in Amagasaki, JP· patent location history
2021Based in Annaka, JP· patent location history
2021Based in Hino, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOKUYO KK | 2 | 2004–2005 |
| IDEC CORP | 1 | 2021 |
| OLYMPUS CORP | 1 | 2021 |
| SHINETSU CHEMICAL CO | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 2 | 2004–2005 |
| Amagasaki, JP | 1 | 2021 |
| Annaka, JP | 1 | 2021 |
| Hino, JP | 1 | 2021 |