Inventor
Shengwu Chang
Inventor
South Hamilton, MA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps38%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing25%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
PatentTitleYear
11,011,343High-current ion implanter and method for controlling ion beam using high-current ion implanter202110,937,624Apparatus and method for controlling ion beam using electrostatic filter202110,886,098Electrostatic filter and ion implanter having asymmetric electrostatic configuration20215,903,457'Automated material storage and retrieval system for production lines'19995,507,541'Ball retrieval cart'19965,301,991'Tennis ball retriever and storage cart'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to CHANG SHUNDER (1)· patent assignee history
1994Patents assigned to CHEN SAM H (1)· patent assignee history
1994Patents assigned to WHITE EAST (1)· patent assignee history
1994–1996Based in Poway, CA, US· patent location history
1999Patents assigned to MOCI CO LTD (1)· patent assignee history
1999Based in Taichung, TW· patent location history
2021Patents assigned to APPLIED MATERIALS INC (3)· patent assignee history
2021Based in South Hamilton, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLIED MATERIALS INC | 3 | 2021 |
| CHANG SHUNDERself | 1 | 1994 |
| CHEN SAM H | 1 | 1994 |
| MOCI CO LTD | 1 | 1999 |
| WHITE EAST | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| South Hamilton, Massachusetts, US | 3 | 2021 |
| Poway, California, US | 2 | 1994–1996 |
| Taichung, TW | 1 | 1999 |