Inventor
Teruki Kitayama
Inventor
Oume, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels25%
G11BInformation storage based on relative movement between record carrier and transducer25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
6,187,441'Glass substrate for information recording medium and magnetic recording medium having the substrate'20015,916,656'Sheet glass flattening method, method of manufacturing an information recording glass substrate using flattened glass, method of manufacturing a magnetic disk using glass substrate, and magnetic recording medium'19995,725,625'Method of manufacturing a magnetic recording disk using glass substrate'19985,681,609'Method of manufacturing a magnetic recording disk'19975,654,057'Sheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording medium'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2001Patents assigned to HOYA CORP (5)· patent assignee history
1997–1999Based in Oume, JP· patent location history
2001Based in Ome, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOYA CORP | 5 | 1997–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oume, JP | 4 | 1997–1999 |
| Ome, JP | 1 | 2001 |