Inventor
Sadao Kadokura
Inventor
Hachioji, JP
Overview
Patents· 16 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 transducer26%
C23CCoating metallic material19%
H01JElectric discharge tubes or discharge lamps16%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
G03GElectrography3%
H05BElectric heating3%
H10KOrganic electric solid-state devices3%
PatentTitleYear
7,135,097'Box-shaped facing-targets sputtering apparatus and method for producing compound thin film'20066,911,123'Facing-targets-type sputtering apparatus and method'20056,881,311'Facing-targets-type sputtering apparatus'20056,794,278'Method for producing organic thin-film device by use of facing-targets-type sputtering apparatus'20046,156,172'Facing target type sputtering apparatus'20005,099,372'Magnetic head assembly for a flexible magnetic disk drive unit'19924,958,249'Magnetic recording disk cartridge'19904,858,043'Magnetic head assembly for a flexible magnetic disk drive unit'19894,842,708'Perpendicular magnetic recording medium, method for producing the same, and sputtering device'19894,784,739'Method of producing a thin film by sputtering and an opposed target type sputtering apparatus'19884,666,788'Perpendicular magnetic recording medium, method for producing the same, and sputtering device'19874,576,700'Perpendicular magnetic recording medium method for producing the same, and sputtering device'19864,507,364'Perpendicular magnetic recording medium'19854,407,894'Method for producing a perpendicular magnetic recording medium'19834,207,100'Formation of electrostatic latent image'19803,971,517'Apparatus for winding a yarn round a bobbin'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1992Patents assigned to TEIJIN LTD (11)· patent assignee history
1976Based in Mihara, JP· patent location history
1980Based in Hino, JP· patent location history
1983–2006Based in Hachioji, JP· patent location history
2000Patents assigned to KADKURA SADAO (1)· patent assignee history
2004Patents assigned to INT MFG & ENG SERVICES CO LTD (1)· patent assignee history
2004Patents assigned to KIDO JUNJI (1)· patent assignee history
2005–2006Patents assigned to FTS CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEIJIN LTD | 11 | 1976–1992 |
| FTS CORP | 3 | 2005–2006 |
| INT MFG & ENG SERVICES CO LTD | 1 | 2004 |
| KADKURA SADAO | 1 | 2000 |
| KIDO JUNJI | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 14 | 1983–2006 |
| Hino, JP | 1 | 1980 |
| Mihara, JP | 1 | 1976 |