Inventor
Yoshiya Matsui
Inventor
Yokohama, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus50%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them38%
G01BMeasuring length, thickness or similar linear dimensions4%
G03GElectrography4%
H04NPictorial communication, e.g. television4%
PatentTitleYear
6,038,068'Aberration correction system and astronomical telescope having the same'20005,033,855'Fizeau interference measuring method and apparatus therefor'19914,626,082'Projecting device'19864,512,641'Compound eye projection device'19854,431,299'Projection apparatus'19844,426,132'Projecting device'19844,402,572'Projection device'19834,368,975'Projection device'19834,350,431'Projecting device'19824,316,665'Projection device'19824,289,377'Projecting apparatus'19814,275,962'Projection device'19814,252,423'Image projector'19814,189,214'Fourier transform lens system'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2000Patents assigned to CANON KK (14)· patent assignee history
1980Based in Kanagawa, JP· patent location history
1981–2000Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 14 | 1980–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 13 | 1981–2000 |
| Kanagawa, JP | 1 | 1980 |