Inventor
Ya Ming Zhang
Inventor
Shenzhen, CN
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines39%
LOC1511%
F04DNon-positive-displacement pumps7%
F16DCouplings for transmitting rotation7%
LOC137%
D06FLaundering, drying, ironing, pressing or folding textile articles4%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants4%
G02BOptical elements, systems or apparatus4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G06TImage data processing or generation, in general4%
PatentTitleYear
11,050,922Automatic focusing method and apparatus based on region of interest2021D0897895Tractor202010,566,855Permanent magnet direct current motor and HVAC system using the same202010,240,644Fluid driving device, motor assembly and friction clutch thereof201910,145,427Fluid driving device, motor assembly and centrifugal friction clutch thereof2018D0801855'Terminal tractor'20179,729,037'Brushless motor'20179,343,934'Electric motor'20169,225,209'Permanent magnet rotor and electric motor incorporating the rotor'20159,083,226'Brushless motor'20159,065,232'Commutator having conductive rings'20158,987,966'Electric motor'20158,890,389'Electric motor'20148,866,359'Brushless motor having V-shaped permanent magnets'2014D0642527'Rotor core for an electric motor'2011D0642126'Rotor core for an electric motor'2011D0639309'Lamination for an electric motor'2011D0639308'Lamination for an electric motor'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to JOHNSON ELECTRIC SA (14)· patent assignee history
2011–2020Based in Shenzhen, CN· patent location history
2014–2017Patents assigned to LI YUE (7)· patent assignee history
2014–2017Patents assigned to ZHANG YA MING (7)· patent assignee history
2014–2016Patents assigned to JIANG MAO XIONG (6)· patent assignee history
2014–2016Patents assigned to ZHAO JIAN (6)· patent assignee history
2018Based in Shen Zhen, CN· patent location history
2021Based in Jiangsu, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOHNSON ELECTRIC SA | 14 | 2011–2020 |
| LI YUE | 7 | 2014–2017 |
| ZHANG YA MINGself | 7 | 2014–2017 |
| JIANG MAO XIONG | 6 | 2014–2016 |
| ZHAO JIAN | 6 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shenzhen, CN | 16 | 2011–2020 |
| Jiangsu, CN | 1 | 2021 |
| Shen Zhen, CN | 1 | 2018 |