Inventor
Hiroyuki Sumitomo
Inventor
Osaka, JP
Overview
Patents· 24 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 application27%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
F28BSteam or vapour condensers17%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact15%
F01KSteam engine plants8%
B01DSeparation5%
B82YSpecific uses or applications of nanostructures2%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids2%
F22DPreheating, or accumulating preheated, feed-water for steam generation2%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
PatentTitleYear
7,629,187'Fabrication method of semiconductor luminescent device'20094,841,916'Evaporating apparatus with preheater'19894,827,877'Heat recovery system utilizing non-azeotropic medium'19894,785,876'Heat recovery system utilizing non-azetotropic medium'19884,779,424'Heat recovery system utilizing non-azeotropic medium'19884,753,079'Evaporating apparatus'19884,608,829'Waste heat recovering device'19864,509,592'Plate type evaporator'19854,492,268'Condenser'19854,458,748'Plate type evaporator'19844,371,034'Plate type evaporator'19834,347,897'Plate type heat exchanger'19824,314,605'Condenser'19824,296,803'Plate used in condenser'19814,291,759'Cross-current type plate heat exchanger'19814,285,395'Structure of fluid condensing and heat conducting surface of condenser'19814,260,013'Plate type heat exchanger'19814,228,850'Plate used in condenser'19804,219,079'Plate type condenser'19804,216,825'Plate type evaporator'19804,184,542'Plate type condenser'19804,182,411'Plate type condenser'19804,182,410'Plate type condenser'19804,180,129'Plate type condenser'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1989Patents assigned to HISAKA WORKS LTD (23)· patent assignee history
1979–1982Based in Takatsuki, JP· patent location history
1980–1989Based in Osaka, JP· patent location history
1980Based in Amagaski, JP· patent location history
1982Based in Amagasaki, JP· patent location history
2009Patents assigned to EUDYNA DEVICES INC (1)· patent assignee history
2009Based in Yamanashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HISAKA WORKS LTD | 23 | 1979–1989 |
| EUDYNA DEVICES INC | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 15 | 1980–1989 |
| Takatsuki, JP | 6 | 1979–1982 |
| Yamanashi, JP | 1 | 2009 |
| Amagasaki, JP | 1 | 1982 |
| Amagaski, JP | 1 | 1980 |