Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11565366 | Polishing pad and method for producing the same, and method for producing polished product | Shin Tokushige, Keisuke Nakase, Tatsuya Yamada, Yousuke Narada, Kenichi Koike | 2023-01-31 |
| 11465255 | Lapping material and method for producing the same, and method for producing polished product | Shin Tokushige, Keisuke Nakase, Hiroshi Kurihara, Kenichi Koike | 2022-10-11 |
| 10213895 | Polishing pad and method for manufacturing same | Kenichi Koike, Shin Tokushige | 2019-02-26 |
| 9956669 | Polishing pad and polishing method | Toshiro Doi, Kiyoshi Seshimo, Masataka Takagi | 2018-05-01 |