Inventor
Hirohito Ishibashi
Inventor
Yokohama, JP
Overview
Patents· 3 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 transducer60%
H02JElectric power networks20%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems20%
PatentTitleYear
6,631,105'Disk reproducing speed control method and a disk reproducing apparatus using this method'20036,445,658'Disk reproducing speed control method and a disk reproducing apparatus using this method'20026,351,440'Disk reproducing speed control method and a disk reproducing apparatus using this method'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2003Patents assigned to HITACHI LTD (3)· patent assignee history
2002–2003Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 2002–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 3 | 2002–2003 |