Inventor
Yasutoshi Okuzawa
Inventor
Kanagawa, JP
Overview
19→
Patents
1977–1995
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 19 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 transducer45%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests28%
Y10TTechnical subjects covered by former us classification25%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
PatentTitleYear
5,479,311'Magnetic tape cassette having improved magnetic tape substrate and tape guide for reducing electrostatic charging'19954,995,199'Magnetic tape cassette having improved guide pole structure'19914,993,197'Magnetic tape cassette having improved guide pole structure'19914,930,032'Magnetic tape cassette having improved guide pole structure'19904,707,392'Flexible magnetic disk'19874,696,846'Method for forming protective layer on a flexible magnetic disc sheet'19874,696,859'Magnetic recording medium'19874,675,768'Flexible magnetic disk having an embossed circular hole'19874,652,480'Flexible disk'19874,647,473'Method for forming protective layer on a flexible magnetic disc sheet'19874,630,151'Flexible magnetic disk driving apparatus with lubricated surfaces'19864,581,270'Flexible magnetic disk'19864,578,299'Flexible magnetic disk sheet'19864,523,246'Flexible magnetic disk'19854,444,842'Magnetic recording medium'19844,442,171'Magnetic recording medium'19844,411,958'Magnetic recording medium'19834,411,966'Magnetic recording medium'19834,011,571'View finder for cameras'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1995Patents assigned to FUJI PHOTO FILM CO LTD (19)· patent assignee history
1977Based in Tokyo, JP· patent location history
1983–1987Based in Odawara, JP· patent location history
1984–1995Based 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 | 19 | 1977–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 11 | 1984–1995 |
| Odawara, JP | 7 | 1983–1987 |
| Tokyo, JP | 1 | 1977 |