Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7870181 | Chinese abacus adder | Shu Yi, Zih-Yi Jhao, Yen-Ju Chen, Yi-Jie Lin, Chien-Hung Lin | 2011-01-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7870181 | Chinese abacus adder | Shu Yi, Zih-Yi Jhao, Yen-Ju Chen, Yi-Jie Lin, Chien-Hung Lin | 2011-01-11 |