Inventor
Kenichi Baba
Inventor
Yokohama, JP
Overview
Patents· 7 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 transducer25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
C08LCompositions of macromolecular compounds13%
Y10TTechnical subjects covered by former us classification13%
B29CShaping or joining of plastics6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
G02BOptical elements, systems or apparatus6%
H01BCables6%
H01FMagnets6%
PatentTitleYear
5,786,965'Magneto-resistance effect magnetic head'19985,661,620'Magneto-resistance effect magnetic head'19974,847,311'Polyimide resin composition'19894,816,516'Polyimide resin-fluoropolymer compositions'19894,643,529'Polarizing film'19874,543,301'Magnetic recording medium'19854,539,264'Magnetic recording medium'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1998Patents assigned to SONY CORP (4)· patent assignee history
1985–1989Based in Yokohama, JP· patent location history
1987–1989Patents assigned to MITSUI TOATSU CHEMICALS (3)· patent assignee history
1997–1998Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 4 | 1985–1998 |
| MITSUI TOATSU CHEMICALS | 3 | 1987–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1985–1989 |
| Miyagi, JP | 2 | 1997–1998 |