Inventor
Yoshiharu Fujioka
Inventor
Yamato, JP
Overview
Patents· 9 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 transducer69%
Y10TTechnical subjects covered by former us classification31%
PatentTitleYear
6,760,297'Substrate unit for optical head and method for manufacturing the same'20045,333,372'Method of manufacturing a magnetic head'19944,962,584'Manufacturing method for a magnetic disk recording reproducing head device'19904,910,621'Magnetic head device having sloped sliding surface which is formed thermally curved'19904,748,527'Magnetic head device with back core integral in holder shell'19884,609,960'Rotary thin film magnetic head device'19864,562,503'Perpendicular magnetic recording head'19854,509,084'Rotary magnetic head'19854,423,550'Composite magnetic head structure and process for manufacturing the same'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (4)· patent assignee history
1984–1994Based in Yamato, JP· patent location history
1988–2004Patents assigned to TOSHIBA KK (5)· patent assignee history
2004Based in Zama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 5 | 1988–2004 |
| TOKYO SHIBAURA ELECTRIC CO | 4 | 1984–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamato, JP | 8 | 1984–1994 |
| Zama, JP | 1 | 2004 |