Inventor
Sangmu Lee
Inventor
Tokyo, JP
Overview
Patents· 19 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 application26%
F25BRefrigeration machines, plants or systems20%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact16%
F24FAir-conditioning14%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material12%
Y10TTechnical subjects covered by former us classification4%
B23PMetal-working not otherwise provided for3%
F02GHot gas or combustion-product positive-displacement engine plants1%
F25DRefrigerators1%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%
PatentTitleYear
10,627,175Heat exchanger and refrigeration cycle apparatus20209,958,194Refrigeration cycle apparatus with a heating unit for melting frost occurring in a heat exchanger20189,879,921'Heat exchanger and refrigeration cycle device including the heat exchanger'20189,874,402Heat exchanger, refrigeration cycle apparatus, and method of manufacturing heat exchanger20189,791,218'Air conditioner with grooved inner heat exchanger tubes and grooved outer heat exchanger tubes'20179,714,795'Air conditioner'20179,702,637'Heat exchanger, indoor unit, and refrigeration cycle apparatus'20179,689,619'Heat exchanger, refrigeration cycle apparatus including heat exchanger and air-conditioning apparatus'20179,677,821'Air conditioner'20179,671,177'Heat exchanger, method for fabricating heat exchanger, and air-conditioning apparatus'20179,664,455'Air conditioner with internally grooved heat exchanger tubes optimized for an indoor heat exchanger and an outdoor heat exchanger'20179,664,456'Air conditioner'20179,651,314'Air conditioner with grooved inner heat exchanger tubes and grooved outer heat exchanger tubes'20179,546,823'Heat exchanger, method of manufacturing same, and refrigeration cycle apparatus'20179,506,700'Air-conditioning apparatus'20169,459,053'Heat exchanger and air-conditioning apparatus'20169,322,602'Heat exchanger having a plurality of plate-like fins and a plurality of flat-shaped heat transfer pipes orthogonal to the plate-like fins'20169,279,624'Heat exchanger tube with collared fins for enhanced heat transfer'20168,037,699'Heat exchanger and air conditioner using the same'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to MITSUBISHI ELECTRIC CORP (17)· patent assignee history
2011–2020Based in Tokyo, JP· patent location history
2016–2018Patents assigned to LEE SANGMU (12)· patent assignee history
2016–2018Patents assigned to ISHIBASHI AKIRA (6)· patent assignee history
2016–2018Patents assigned to MATSUDA TAKUYA (6)· patent assignee history
2016–2017Patents assigned to OKAZAKI TAKASHI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 17 | 2011–2020 |
| LEE SANGMUself | 12 | 2016–2018 |
| ISHIBASHI AKIRA | 6 | 2016–2018 |
| MATSUDA TAKUYA | 6 | 2016–2018 |
| OKAZAKI TAKASHI | 3 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 19 | 2011–2020 |