Inventor
Masao Hibi
Inventor
Kodaira, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein43%
H01GCapacitors43%
G11BInformation storage based on relative movement between record carrier and transducer14%
PatentTitleYear
4,482,926'Method and apparatus for magnetic recording and reproducing'19844,088,391'Irregular ferroelectric element devised for single domain-wall motion'19784,046,455'Irregular ferroelectric element devised for motion of plural domain-walls'19773,936,146'Irregular ferroelectric element for controllable single domain'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1984Patents assigned to HITACHI LTD (4)· patent assignee history
1976–1984Based in Kodaira, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 4 | 1976–1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kodaira, JP | 4 | 1976–1984 |