CHANG CHUN PLASTIC CO LTD has a total of 17 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2006. It filed its patents most often in Japan and United States. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and audio-visual technology are CHANG CHUN PLASTICS CO LTD, KUK DO CHEMICAL CO LTD and TOTO KASEI CO LTD.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 16 | |
| #2 | United States | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hwang Kuen Yuan | 11 |
| #2 | Tu An Pang | 9 |
| #3 | Wu Sheng Yen | 5 |
| #4 | Tu An-Pang | 3 |
| #5 | Chen Gai-Chi | 3 |
| #6 | Chen Gai Chi | 2 |
| #7 | Lin Yung-Sheng | 2 |
| #8 | Wong Yi-Sern | 2 |
| #9 | Huang Kuen-Yuan | 2 |
| #10 | Lin Ying-Jui | 2 |