Inventor
Hirokatsu Nagatake
Inventor
Tokorozawa, JP
Overview
Patents· 5 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 transducer100%
PatentTitleYear
7,149,174'Optical pickup'20066,912,234'Optical pickup apparatus and laser diode chip'20056,480,456'Optical pickup apparatus for reading different types of recording media at different reading wavelengths'20026,452,880'Optical pickup apparatus'20026,429,981'Optical pickup apparatus'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2006Patents assigned to PIONEER CORP (5)· patent assignee history
2002–2005Based in Tokorozawa, JP· patent location history
2006Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER CORP | 5 | 2002–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokorozawa, JP | 4 | 2002–2005 |
| Saitama, JP | 1 | 2006 |