Inventor
Fumihiro Tokunaga
Inventor
Kanagawa, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
Y10TTechnical subjects covered by former us classification29%
C08LCompositions of macromolecular compounds7%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
PatentTitleYear
5,057,373'Magnetic recording medium'19914,970,121'Magnetic recording medium'19904,678,706'Magnetic recording medium'19874,656,088'Magnetic recording medium'19874,542,085'Negative working diazo light-sensitive composition with oxonol dye and lithographic printing plate using the same'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1991Patents assigned to FUJI PHOTO FILM CO LTD (5)· patent assignee history
1985Based in Shizuoka, JP· patent location history
1987–1991Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 5 | 1985–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 4 | 1987–1991 |
| Shizuoka, JP | 1 | 1985 |