Inventor
Hideo Shikata
Inventor
Matsudo, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder21%
F16CShafts21%
C22CAlloys12%
Y10TTechnical subjects covered by former us classification12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
H02KDynamo-electric machines5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels2%
B23DPlaning2%
B23PMetal-working not otherwise provided for2%
PatentTitleYear
7,559,697'Dynamic bearing unit'20097,166,254'Process for producing sintered aluminum alloy'20076,851,859'Bearing unit, production method therefor and spindle motor'20056,737,016'Process for manufacturing sintered slide bearing'20046,172,415'Thin plate member for semiconductor package and manufacturing method therefor'20016,139,975'Sheet metal member, method of manufacturing same, and heat radiation plate'20005,967,110'Fe-based sintered alloy manufacturing process, Fe-based sintered alloy manufactured through thereof and bearing cap'19995,905,939'Process for producing connecting rod'19995,878,323'Process for producing split type mechanical part'19995,834,870'Oil impregnated porous bearing units and motors provided with same'19985,821,655'Magnetic fluid bearing unit structure and motor having the same'19985,819,154'Manufacturing process of sintered iron alloy improved in machinability, mixed powder for manufacturing, modification of iron alloy and iron alloy product'19985,722,036'Manufacturing process of connecting rod assembly and compacting die'19985,682,588'Method for producing ferrous sintered alloy having quenched structure'19975,645,355'Bearing unit'19975,545,487'Wear-resistant sintered aluminum alloy and method for producing the same'19965,346,667'Method of manufacturing sintered aluminum alloy parts'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2009Patents assigned to HITACHI POWDERED METALS (12)· patent assignee history
1994–1998Patents assigned to HITACHI LTD (4)· patent assignee history
1994–2009Based in Matsudo, JP· patent location history
1996–2007Patents assigned to HONDA MOTOR CO LTD (4)· patent assignee history
1997Patents assigned to HITACHI KOKI KK (1)· patent assignee history
1998Patents assigned to HITACHI POWDERED METAL CO LTD (1)· patent assignee history
1998–2004Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI POWDERED METALS | 12 | 1994–2009 |
| HITACHI LTD | 4 | 1994–1998 |
| HONDA MOTOR CO LTD | 4 | 1996–2007 |
| HITACHI KOKI KK | 1 | 1997 |
| HITACHI POWDERED METAL CO LTD | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Matsudo, JP | 14 | 1994–2009 |
| Chiba, JP | 3 | 1998–2004 |