Inventor
Takeshi Sugawara
Inventor
Saitama, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys32%
B22DCasting of metals15%
C21DModifying the physical structure of ferrous metals15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
Y10TTechnical subjects covered by former us classification6%
B22FWorking metallic powder3%
B63BShips or other waterborne vessels3%
F01LCyclically operating valves for machines or engines3%
F02BInternal-combustion piston engines3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
PatentTitleYear
10,841,087Security device, system, and security method20207,163,593'Iron-based alloy and method for production thereof'20076,537,397'Process for producing Fe-based member having high young\'s modulus, and Fe-based member having high young\'s modulus and high toughness'20036,527,878'Thixocast casting material, process for preparing thixocasting semi-molten casting material, thixocast process, fe-based cast product, and process for thermally treating fe-based cast product'20036,332,938'Process for producing Fe-based member having high young\'s modulus and high toughness'20016,237,522'Bottom structure of personal watercraft'20016,136,101'Casting material for thixocasting, method for preparing partially solidified casting material for thixocasting, thixo-casting method, iron-base cast, and method for heat-treating iron-base cast'20006,053,997'Thixocasting process of an alloy material'20005,993,572'Thixocasting process, and thixocasting aluminum alloy material'19995,849,115'Alloy material for thixocasting, process for preparing semi-molten alloy material for thixocasting and thixocasting process'19985,803,154'Thixocasting process'19985,787,961'Thixocasting process, for a thixocasting alloy material'19984,505,988'Sintered alloy for valve seat'19854,424,953'Dual-layer sintered valve seat ring'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2007Patents assigned to HONDA MOTOR CO LTD (12)· patent assignee history
1984Patents assigned to TEIKOKU PISTON RING CO LTD (1)· patent assignee history
1984Based in Oimachi, JP· patent location history
1985Patents assigned to NIPPON PISTON RING CO LTD (1)· patent assignee history
1985–2003Based in Saitama, JP· patent location history
2001Patents assigned to KAWASAKI HEAVY IND LTD (1)· patent assignee history
2001–2007Based in Wako, JP· patent location history
2001Based in Lincoln, NE, US· patent location history
2020Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONDA MOTOR CO LTD | 12 | 1984–2007 |
| KAWASAKI HEAVY IND LTD | 1 | 2001 |
| MITSUBISHI ELECTRIC CORP | 1 | 2020 |
| NIPPON PISTON RING CO LTD | 1 | 1985 |
| TEIKOKU PISTON RING CO LTD | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 8 | 1985–2003 |
| Wako, JP | 3 | 2001–2007 |
| Tokyo, JP | 1 | 2020 |
| Lincoln, NE, US | 1 | 2001 |
| Oimachi, JP | 1 | 1984 |