TDKCorporation
3Patents
0Active
3Granted
28Portfolio score
Filing activity: Dec 30, 1997 → Apr 7, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6071323A | Alloy target, its fabrication, and regeneration processes | Physics | 58 | Expired |
| US6087067A | Optical recording medium | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6051363A | Method for making an optical recording medium | Emerging Cross-Sectional Technologies | 25 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.