Inventor
Yasuyuki Ichihashi
Inventor
Tokyo, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus20%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%
G03HHolographic processes or apparatus20%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1020%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1020%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to FUJITSU LTD (1)· patent assignee history
1994Based in Kawasaki, JP· patent location history
2017Patents assigned to NAT INST INF & COMM TECH (1)· patent assignee history
2017Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 1 | 1994 |
| NAT INST INF & COMM TECH | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 2017 |
| Kawasaki, JP | 1 | 1994 |