Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11479744 | Composition having suppressed alumina damage and production method for semiconductor substrate using same | Toshiyuki Oie, Kenji Yamada, Takahiro Kikunaga | 2022-10-25 |
| 11352593 | Aqueous composition and cleaning method using same | Toshiyuki Oie, Takahiro Kikunaga, Kenji Yamada | 2022-06-07 |