Inventor
Masakazu Yamagishi
Inventor
Saitama, 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 apparatus33%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
Y10TTechnical subjects covered by former us classification17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
1991Based in Gunma, JP· patent location history
2021Patents assigned to CANON KK (2)· patent assignee history
2021Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 2 | 2021 |
| SANYO ELECTRIC CO | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 2 | 2021 |
| Gunma, JP | 1 | 1991 |