Inventor
Toshiaki Kunieda
Inventor
Minoo, JP
Overview
15→
Patents
1980–2003
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 15 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 transducer34%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
Y10TTechnical subjects covered by former us classification18%
C23CCoating metallic material14%
H01FMagnets11%
C07DHeterocyclic compounds2%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
PatentTitleYear
6,633,534'Optical disk and optical disk drive'20036,551,682'Metal-containing azo compound and optical recording media'20036,340,501'Device and method for manufacturing an optical recording medium'20026,337,105'Method and apparatus for forming thin functional film'20026,291,031'Method for preparing optical recording medium and preparation apparatus therefor'20016,287,660'Optical recording medium and its substrate'20016,177,132'Optical recording medium and method of its manufacture'20015,443,888'Magnetic recording medium having a carbon protective layer and partially fluorinated alkyl carboxylic acid lubricant layer'19955,182,132'Magnetic recording medium and method for making it'19934,745,005'Magnetic recording medium and method for making the same'19884,547,398'Method for manufacturing magnetic recording medium'19854,399,013'Method of producing a magnetic recording medium'19834,385,098'Magnetic recording media'19834,323,629'Metallic thin film magnetic recording medium'19824,239,835'Magnetic recording medium'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (15)· patent assignee history
1980Based in Takarazuka, JP· patent location history
1982–2003Based in Minoo, JP· patent location history
1985–2003Based in Osaka, JP· patent location history
1993–1995Based in Mino, JP· patent location history
2003Patents assigned to YAMADA CHEM CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 15 | 1980–2003 |
| YAMADA CHEM CO | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minoo, JP | 10 | 1982–2003 |
| Osaka, JP | 2 | 1985–2003 |
| Mino, JP | 2 | 1993–1995 |
| Takarazuka, JP | 1 | 1980 |