Inventor
Hirohiko Izumi
Inventor
Tokyo, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1023%
H10DInorganic electric semiconductor devices19%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%
B24BMachines, devices, or processes for grinding or polishing12%
H10BElectronic memory devices12%
C04BLime, magnesia4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
C23CCoating metallic material4%
H10NElectric solid-state devices not otherwise provided for4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
7,064,029'Semiconductor memory device and method of producing the same'20066,838,333'Semiconductor memory device and method of producing the same'20056,648,739'Wafer polishing apparatus'20036,461,912'Method of fabricating semiconductor storage device having a capacitor'20026,392,264'Semiconductor memory device and method of producing the same'20026,255,686'Semiconductor storage device including short circuit avoiding structure and method of fabricating thereof'20016,022,400'Polishing abrasive grains, polishing agent and polishing method'20005,877,088'Flattening method and apparatus for semiconductor device'19995,644,151'Semiconductor memory device and method for fabricating the same'19975,306,666'Process for forming a thin metal film by chemical vapor deposition'19945,281,575'Laser ablation method for forming oxide superconducting films'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2002Patents assigned to NIPPON STEEL CORP (6)· patent assignee history
1994Patents assigned to HITACHI CABLE (1)· patent assignee history
1994Patents assigned to INT SUPERCONDUCTIVITY TECH (1)· patent assignee history
1994–2002Based in Tokyo, JP· patent location history
1994Based in Sagamihara, JP· patent location history
2000Patents assigned to FUSO SILTECH CO LTD (1)· patent assignee history
2003Based in Mitaka, JP· patent location history
2005–2006Patents assigned to UNITED MICROELECTRONICS CORP (2)· patent assignee history
2005–2006Based in Chiyoda-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 6 | 1994–2002 |
| UNITED MICROELECTRONICS CORP | 2 | 2005–2006 |
| FUSO SILTECH CO LTD | 1 | 2000 |
| HITACHI CABLE | 1 | 1994 |
| INT SUPERCONDUCTIVITY TECH | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1994–2002 |
| Chiyoda-ku, JP | 2 | 2005–2006 |
| Mitaka, JP | 1 | 2003 |
| Sagamihara, JP | 1 | 1994 |