Inventor
Tokuya Kaneda
Inventor
Odawara, 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 transducer70%
G01DMeasuring not specially adapted for a specific variable10%
G02BOptical elements, systems or apparatus10%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light10%
PatentTitleYear
5,418,763'Disc recording system'19955,335,217'Optical information recording and reproducing apparatus'19945,267,105'Disk loading device'19935,172,362'Recording medium loading mechanism'19925,060,207'Magneto-optical recording/reproducing apparatus'19914,807,212'Correcting for comatic aberration in an optical head of an optical disk apparatus'19894,650,332'Optical position detecting apparatus for positioning an actuator'19874,523,089'Driving apparatus for semiconductor laser'19854,450,547'Focal position detecting optical apparatus'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1995Patents assigned to HITACHI LTD (8)· patent assignee history
1984–1995Based in Odawara, JP· patent location history
1992Patents assigned to HIRACHI LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1984–1995 |
| HIRACHI LTD | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Odawara, JP | 9 | 1984–1995 |