Inventor
Isao Fujisawa
Inventor
Yamatokoriyama, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing36%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein18%
H01HElectric switches18%
Y10TTechnical subjects covered by former us classification18%
G09GArrangements or circuits for control of indicating devices using static means to present variable information9%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1990Patents assigned to SHARP KK (3)· patent assignee history
1978–1980Based in Yamatokoriyama, JP· patent location history
1990Based in Nara, JP· patent location history
2000Patents assigned to TOSHIBA KK (1)· patent assignee history
2000Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 3 | 1978–1990 |
| TOSHIBA KK | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamatokoriyama, JP | 2 | 1978–1980 |
| Yokohama, JP | 1 | 2000 |
| Nara, JP | 1 | 1990 |