Inventor
Masao Fujiwara
Inventor
Tokyo, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus50%
H04NPictorial communication, e.g. television50%
PatentTitleYear
4,998,800'Optical low pass filter'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history
1991Patents assigned to KURARAY CO (1)· patent assignee history
1991Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JAPAN BROADCASTING CORP | 1 | 1991 |
| KURARAY CO | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 1 | 1991 |