Inventor
Wei-Feng Yen
Inventor
Taipei, TW
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables33%
B41JTypewriters11%
B60LPropulsion of electrically-propelled vehicles11%
B62MRider propulsion of wheeled vehicles or sledges11%
E05DHinges or suspension devices for doors, windows or wings11%
Y02TClimate change mitigation technologies related to transportation11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
8,655,534'Assisting force control device for bicycle'20146,485,011'Paper feeding apparatus and driving method thereof for office machine'20026,485,015'Automatic paper feeding system'20026,382,617'Paper accommodating assembly for office machine'20026,353,968'Single-button support mechanism'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to BENQ CORP (2)· patent assignee history
2002Patents assigned to ACER COMM & MULTIMEDIA INC (1)· patent assignee history
2002Patents assigned to ACER PERIPHERALS INC (1)· patent assignee history
2002Based in Taipei, TW· patent location history
2002Based in Taoyuan, TW· patent location history
2014Patents assigned to CHENG SHI-CHUAN (1)· patent assignee history
2014Patents assigned to CHINA MOTOR CORP (1)· patent assignee history
2014Based in Yangmei Taoyuan, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BENQ CORP | 2 | 2002 |
| ACER COMM & MULTIMEDIA INC | 1 | 2002 |
| ACER PERIPHERALS INC | 1 | 2002 |
| CHENG SHI-CHUAN | 1 | 2014 |
| CHINA MOTOR CORP | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 2 | 2002 |
| Taoyuan, TW | 2 | 2002 |
| Yangmei Taoyuan, TW | 1 | 2014 |