Inventor
Yajie Chen
Inventor
Brighton, MA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets15%
B23KSoldering or unsoldering10%
C01GCompounds containing metals not covered by subclasses c01d or c01f10%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%
C04BLime, magnesia10%
F16HGearing10%
H01BCables10%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
H01PWaveguides5%
PatentTitleYear
10,766,786Mo-doped Co202010,746,297Electronic parking lock actuator for automatic transmission of vehicle202010,641,379Electronic parking lock actuator for automatic transmission of vehicle202010,468,169Co2 Z-type ferrite composite material for use in ultra-high frequency antennas20199,893,341'Battery pack and device for connecting tabs of battery cells in the same'20189,117,565'Magnetic grain boundary engineered ferrite core materials'20159,087,621'Magnetic grain boundary engineered ferrite core materials'20155,514,846'Automatic welder control system'19965,220,145'Automatic welder control system'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2015Patents assigned to CHEN YAJIE (2)· patent assignee history
1993Patents assigned to CECIL DIMITRIOS G (1)· patent assignee history
1993–1996Based in Detroit, MI, US· patent location history
2015Based in Malden, MA, US· patent location history
2018Patents assigned to CONTEMPORARY AMPEREX TECH LIMITED (1)· patent assignee history
2018Based in Ningde, CN· patent location history
2019–2020Patents assigned to ROGERS CORP (2)· patent assignee history
2019–2020Based in Brighton, MA, US· patent location history
2020Patents assigned to JOHNSON ELECTRIC INT AG (2)· patent assignee history
2020Based in Hong Kong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEN YAJIEself | 2 | 1993–2015 |
| JOHNSON ELECTRIC INT AG | 2 | 2020 |
| ROGERS CORP | 2 | 2019–2020 |
| CECIL DIMITRIOS G | 1 | 1993 |
| CONTEMPORARY AMPEREX TECH LIMITED | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brighton, Massachusetts, US | 2 | 2019–2020 |
| Hong Kong, CN | 2 | 2020 |
| Malden, Massachusetts, US | 2 | 2015 |
| Detroit, MI, US | 2 | 1993–1996 |
| Ningde, CN | 1 | 2018 |