Inventor
Norio Yokoyama
Inventor
Miyagi, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals18%
C23CCoating metallic material18%
Y02PClimate change mitigation technologies in the production or processing of goods12%
Y10TTechnical subjects covered by former us classification12%
B41MPrinting, duplicating, marking, or copying processes6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
C22CAlloys6%
G03GElectrography6%
G11BInformation storage based on relative movement between record carrier and transducer6%
H01JElectric discharge tubes or discharge lamps6%
PatentTitleYear
7,279,024'High purity cobalt, method of manufacturing thereof, and high purity cobalt targets'20076,740,290'High purity cobalt, method of manufacturing thereof, and high purity cobalt targets'20046,440,572'Composition, antisticking agents, and thermal transfer recording films'20026,409,965'Sputtering target and its manufacturing method'20026,391,081'Metal purification method and metal refinement method'20026,086,735'Contoured sputtering target'20006,024,852'Sputtering target and production method thereof'20005,652,079'Carrier for dry two-component developer and method of producing the same'19974,696,862'Magnetic recording medium'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2007Patents assigned to SONY CORP (6)· patent assignee history
1987–2000Based in Sendai, JP· patent location history
1997Based in Nagoya, JP· patent location history
2000Patents assigned to PRAXAIR TECHNOLOGY INC (1)· patent assignee history
2000–2007Based in Miyagi, JP· patent location history
2002Patents assigned to NATOCO PAINT KK (1)· patent assignee history
2002Based in Aichi, JP· patent location history
2004Patents assigned to ISSHIKI MINORU (1)· patent assignee history
2004Patents assigned to KEKESI TAMAS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 6 | 1987–2007 |
| ISSHIKI MINORU | 1 | 2004 |
| KEKESI TAMAS | 1 | 2004 |
| NATOCO PAINT KK | 1 | 2002 |
| PRAXAIR TECHNOLOGY INC | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Miyagi, JP | 5 | 2000–2007 |
| Sendai, JP | 2 | 1987–2000 |
| Aichi, JP | 1 | 2002 |
| Nagoya, JP | 1 | 1997 |