Inventor
Keikichi Andoo
Inventor
Musashino, JP
Overview
Patents· 37 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 transducer59%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
Y10TTechnical subjects covered by former us classification11%
B82YSpecific uses or applications of nanostructures5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
C22CAlloys2%
C23CCoating metallic material2%
H01FMagnets2%
PatentTitleYear
7,911,910'Information recording method and apparatus with suppressed mark edge jitters'20117,907,490'Information recording method and apparatus with suppressed mark edge jitters'20117,907,491'Information recording method and apparatus with suppressed mark edge jitters'20117,852,727'Information recording method and apparatus with suppressed mark edge jitters'20107,684,301'Information recording method and apparatus with suppressed mark edge jitters'20107,417,933'Information recording method and apparatus with suppressed mark edge jitters'20087,042,823'Information recording method and apparatus with suppressed mark edge jitters'20067,041,430'Information recording media, manufacturing technique and information recording method'20067,012,871'Information recording method and apparatus with suppressed mark edge jitters'20066,842,415'Information recording method and apparatus with suppressed mark edge jitters'20056,783,832'Information recording medium'20046,775,226'Optical recording medium having a plurality of interference layers of different refractive index'20046,740,382'Information recording medium'20046,723,411'Information recording medium and method for manufacturing an information recording medium'20046,709,801'Information recording medium'20046,703,098'Information recording medium and method for manufacturing information recording medium'20046,608,806'Information recording method and apparatus with suppressed mark edge jitters'20036,529,467'Information recording method and apparatus with suppressed mark edge jitters'20036,436,504'Information recording medium'20026,343,056'Information recording method and apparatus with suppressed mark edge jitters'20026,340,555'Information recording medium and information recording and reproducing apparatus using the same'20026,312,779'Information recording medium and information recording/reproducing apparatus'20016,236,635'Information recording method and apparatus with suppressed mark edge jitters'20016,231,945'Information recording medium'20016,132,932'Information recording medium and information recording and reproducing apparatus using the same'20005,886,969'High-density information recording/reproducing method'19995,835,469'High-density information recording/reproducing method'19985,462,811'Magneto-optical recording media and mangeto-optical device using the media'19955,434,844'Magneto-optical recording media and magneto-optical recording device using the same'19955,368,986'Information recording media, manufacturing method for the same, and information recording method'19945,263,015'Magneto-optical recording media and overwrite recording method using the same'19935,257,256'Recording waveform for mark-length modulation optical recording'19935,084,857'Information recording method using a modulated recording beam at high, intermediate and low power levels'19925,038,338'Recording waveform for mark-length modulation optical recording'19914,984,231'Optical information phase change recording medium having double protective layer'19914,982,396'Information recording medium and apparatus using reversible phase change'19914,622,264'Garnet film for magnetic bubble memory element'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2011Patents assigned to HITACHI LTD (37)· patent assignee history
1986–2011Based in Musashino, JP· patent location history
1993–2004Patents assigned to HITACHI MAXELL (10)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 37 | 1986–2011 |
| HITACHI MAXELL | 10 | 1993–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Musashino, JP | 37 | 1986–2011 |