Inventor
Sam H. Chen
Inventor
Poway, CA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing50%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
Y10TTechnical subjects covered by former us classification13%
A61KPreparations for medical, dental or toiletry purposes6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
B25GHandles for hand implements6%
D07BRopes or cables in general6%
PatentTitleYear
11,083,721Preparation method therefor20216,761,652'Finishing collar for grip tape and method of wrapping a handle'20046,485,382'Bat having fiber/resin handle and metal hitting member and method of making'20026,261,191'Multi-surface grip tape for handle'20015,851,632'Grip tape for handle'19985,507,541'Ball retrieval cart'19965,301,991'Tennis ball retriever and storage cart'19945,149,090'Vibration damping device for sports racquet'19925,090,188'Ridged racquet string'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1994Patents assigned to CHEN SAM H (3)· patent assignee history
1992Patents assigned to CHANG C F (1)· patent assignee history
1992Patents assigned to LIN TSENG Y (1)· patent assignee history
1992–2001Based in Poway, CA, US· patent location history
1994Patents assigned to CHANG SHUNDER (1)· patent assignee history
2002–2004Based in San Diego, CA, US· patent location history
2021Patents assigned to SHENZHEN PHARMACIN CO LTD (1)· patent assignee history
2021Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEN SAM Hself | 3 | 1992–1994 |
| CHANG C F | 1 | 1992 |
| CHANG SHUNDER | 1 | 1994 |
| LIN TSENG Y | 1 | 1992 |
| SHENZHEN PHARMACIN CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Poway, California, US | 6 | 1992–2001 |
| San Diego, California, US | 2 | 2002–2004 |
| Shenzhen, CN | 1 | 2021 |