Inventor
Hiroshi Ii
Inventor
Higashihiroshima, JP
Overview
Patents· 8 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 transducer40%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses13%
H04NPictorial communication, e.g. television13%
B25JManipulators7%
F16CShafts7%
H02KDynamo-electric machines7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
PatentTitleYear
5,209,699'Magnetic drive device'19935,138,501'Magnetic recorder/reproducer for recording digital signal on a plurality of tracks of magnetic recording media and reproducing the same'19925,121,264'Method and apparatus for reproduction of magnetic tape by using rotary drum heads'19925,113,295'Recording and reproducing apparatus for rewriting data onto a previously recorded medium using a relaying operation'19925,111,151'Digital phase locked loop system'19924,916,403'Digital phase-locked loop system'19904,845,574'Apparatus for recording and reproducing digital signals on magnetic tape'19894,700,241'Apparatus for recording and reproducing digital signals'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1992Patents assigned to SHARP KK (7)· patent assignee history
1987–1992Based in Higashihiroshima, JP· patent location history
1990Based in Higashi, JP· patent location history
1992Based in Hiroshima, JP· patent location history
1993Patents assigned to ANELVA CORP (1)· patent assignee history
1993Patents assigned to KOYO SEIKO CO (1)· patent assignee history
1993Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 7 | 1987–1992 |
| ANELVA CORP | 1 | 1993 |
| KOYO SEIKO CO | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Higashihiroshima, JP | 4 | 1987–1992 |
| Hiroshima, JP | 2 | 1992 |
| Yokohama, JP | 1 | 1993 |
| Higashi, JP | 1 | 1990 |