Inventor
Yu-Jhih Ye
Inventor
Changhua County, TW
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Bprimary
G09BEducational or demonstration appliances100%
PatentTitleYear
7,870,181'Chinese abacus adder'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to UNIV NAT CHANGHUA EDUCATION (1)· patent assignee history
2011Based in Changhua County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV NAT CHANGHUA EDUCATION | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Changhua County, TW | 1 | 2011 |