Inventor
ZHIMIN WU
Inventor
CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets15%
A47LDomestic washing or cleaning8%
B01DSeparation8%
B22FWorking metallic powder8%
C10LFuels not otherwise provided for8%
C22CAlloys8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
H01LSemiconductor devices8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
PatentTitleYear
12,374,550Photomask assembly, patterned mask and method for forming the same, and method for forming active region202512,290,221Cleaning systems and self-cleaning methods for cleaning devices202511,657,960Sintered body, sintered permanent magnet and preparation methods thereof202311,532,412Samarium-cobalt magnets and method for preparing the same202211,498,026Process and apparatus for separating gases2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to BAOTOU TIANHE MAGNETICS TECH CO LTD (2)· patent assignee history
2022Patents assigned to EVONIK SPECIALTY CHEMICALS SHANGHAI CO LTD (1)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to CHANGXIN MEMORY TECH INC (1)· patent assignee history
2025Patents assigned to KINGCLEAN ELECTRIC CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAOTOU TIANHE MAGNETICS TECH CO LTD | 2 | 2022–2023 |
| CHANGXIN MEMORY TECH INC | 1 | 2025 |
| EVONIK SPECIALTY CHEMICALS SHANGHAI CO LTD | 1 | 2022 |
| KINGCLEAN ELECTRIC CO LTD | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 5 | 2022–2025 |