Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330261 | Offset pore poromeric polishing pad | Wei-Wen Tsai, Katsumasa Kawabata, Akane Uehara, Yosuke Takei | 2025-06-17 |
| 11667061 | Method of forming leveraged poromeric polishing pad | Wei-Wen Tsai, Katsumasa Kawabata, Akane Uehara, Yosuke Takei | 2023-06-06 |
| 10259099 | Tapering method for poromeric polishing pad | Koichi Yoshida, Kazutaka Miyamoto, Katsumasa Kawabata, Henry Sanford-Crane, George C. Jacob +1 more | 2019-04-16 |
| 9925637 | Tapered poromeric polishing pad | Koichi Yoshida, Kazutaka Miyamoto, Katsumasa Kawabata, Henry Sanford-Crane, George C. Jacob +1 more | 2018-03-27 |