Inventor
Yu-Choung Chang
Inventor
Hsinchu, TW
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids52%
H02KDynamo-electric machines19%
F01CRotary-piston or oscillating-piston machines or engines11%
F04DNon-positive-displacement pumps4%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
10,374,536Ceiling fan, method for controlling ceiling fan motor and control device for ceiling fan motor201910,177,617External rotor motor20199,966,804Outer-rotor permanent magnet brushless motor20188,579,604'Floating apparatus for scroll compressors'20137,736,135'Structure for controlling lubricant\'s flow rate in scroll compressor'20107,611,345'Structure for preventing axial leakage in scroll compressor'20097,503,755'Baffle plate assembly for a compressor'20097,364,416'Scroll type compressor with an enhanced sealing arrangement'20087,275,918'Scroll apparatus with an axial gap control function'20077,207,787'Scroll compressor with backflow-proof mechanism'20076,987,341'Motor of rotor with built-in permanent magnet'20066,913,448'Load-regulating device for scroll type compressors'20056,750,580'Permanent magnet rotor having magnet positioning and retaining means'20046,512,317'Motor using permanent magnet rotor'20036,368,088'Scroll compressor with back pressure regulation mechanism'20026,179,588'Check valve device for a scroll machine'20016,142,754'Mounting mechanism for a scroll machine'20006,048,184'Back-pressure sealing system for revolving compressor'20005,921,762'Oldham ring system for rotary fluid apparatus'19995,527,166'Mechanism for locating a fixed volute of scroll compressor'19965,474,433'Axial sealing mechanism of volute compressor'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2019Patents assigned to IND TECH RES INST (21)· patent assignee history
1995–2000Based in Taipei, TW· patent location history
1999–2008Based in Hsinchu, TW· patent location history
2007Based in Hsin Chu Hsien, TW· patent location history
2009–2019Based in Hsinchu County, TW· patent location history
2013Patents assigned to CHANG YU-CHOUNG (1)· patent assignee history
2013Patents assigned to CHEN CHI-HSING (1)· patent assignee history
2013Patents assigned to HUANG SHU-ER (1)· patent assignee history
2013Patents assigned to LIANG KUN-YI (1)· patent assignee history
2018Based in Jhudong Township, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IND TECH RES INST | 21 | 1995–2019 |
| CHANG YU-CHOUNGself | 1 | 2013 |
| CHEN CHI-HSING | 1 | 2013 |
| HUANG SHU-ER | 1 | 2013 |
| LIANG KUN-YI | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu, TW | 9 | 1999–2008 |
| Hsinchu County, TW | 6 | 2009–2019 |
| Taipei, TW | 3 | 1995–2000 |
| Jhudong Township, TW | 1 | 2018 |
| Hsin Chu Hsien, TW | 1 | 2007 |