Inventor
Yoshiharu Hasegawa
Inventor
Obu, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F28Fprimary
F28FDetails of heat-exchange and heat-transfer apparatus, of general application21%
B23KSoldering or unsoldering15%
Y10TTechnical subjects covered by former us classification15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
C22CAlloys11%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles2%
B62DMotor vehicles2%
PatentTitleYear
7,989,087'Brazing fin material for heat exchangers, heat exchanger, and method of manufacturing same'20117,767,042'Aluminum alloy extruded product for heat exchangers and method of manufacturing the same'20107,534,309'Aqueous aluminum brazing composition, aluminum material coated with the brazing composition, brazing method using the aluminum material, and automotive heat exchanger manufactured by using the brazing method'20097,250,223'Aluminum heat exchanger excellent in corrosion resistance'20077,211,160'Aluminum alloy piping material for automotive tubes having excellent corrosion resistance and formability, and method of manufacturing same'20077,168,756'Vehicle front pillar construction'20076,896,977'Method of brazing aluminum or aluminum alloy materials and aluminum alloy brazing sheet'20056,849,136'Filler metal for aluminum brazing sheet for heat exchangers and method of manufacturing same'20056,800,345'Aluminum-extruded multi-cavity flat tube having excellent brazing characteristics for use in automotive heat exchanger and manufacturing method therefor'20046,638,376'Aluminum alloy piping material having an excellent corrosion resistance and workability'20036,316,126'Aluminum alloy clad material for heat exchangers exhibiting excellent erosion-corrosion resistance'20016,234,381'Water-base binder for aluminum material brazing, brazing composition, and method of brazing with the composition'20016,129,143'Brazing sheet having an excellent corrosion resistance for use in a heat exchanger, and a heat exchanger using the same'20005,217,547'Aluminum alloy fin material for heat exchanger'19934,732,311'Process of producing lightweight and corrosion-resistant heat exchanger'19884,531,980'Corrosion resisting copper alloy'19854,410,036'Heat exchanger made of aluminum alloys and tube material for the heat exchanger'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1993Patents assigned to FURUKAWA ALUMINIUM (3)· patent assignee history
1983–1993Patents assigned to NIPPON DENSO CO (3)· patent assignee history
1985–1988Based in Ohbu, JP· patent location history
1993Based in West Bloomfield, MI, US· patent location history
2000–2011Patents assigned to SUMITOMO LIGHT METAL IND (10)· patent assignee history
2000–2011Patents assigned to DENSO CORP (8)· patent assignee history
2000–2010Based in Obu, JP· patent location history
2001–2009Patents assigned to HARIMA CHEMICALS INC (2)· patent assignee history
2005–2011Based in Kariya, JP· patent location history
2007Based in Wako, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO LIGHT METAL IND | 10 | 2000–2011 |
| DENSO CORP | 8 | 2000–2011 |
| FURUKAWA ALUMINIUM | 3 | 1983–1993 |
| NIPPON DENSO CO | 3 | 1983–1993 |
| HARIMA CHEMICALS INC | 2 | 2001–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Obu, JP | 9 | 2000–2010 |
| Kariya, JP | 3 | 2005–2011 |
| Ohbu, JP | 2 | 1985–1988 |
| Wako, JP | 1 | 2007 |
| West Bloomfield, MI, US | 1 | 1993 |