Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338381 | Protective fluid for alumina, protection method, and production method for semiconductor substrate having alumina layer using same | Toshiyuki Oie, Priangga Perdana Putra | 2025-06-24 |
| 11629315 | Aqueous composition and cleaning method using same | Toshiyuki Oie, Takahiro Kikunaga, Kenji Yamada | 2023-04-18 |
| 11613720 | Aqueous composition and cleaning method using same | Toshiyuki Oie, Takahiro Kikunaga, Kenji Yamada | 2023-03-28 |
| 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 |
| 11193094 | Liquid composition for reducing damage of cobalt, alumina, interlayer insulating film and silicon nitride, and washing method using same | Toshiyuki Oie, Priangga Perdana Putra | 2021-12-07 |
| 10689573 | Wet etching composition for substrate having SiN layer and Si layer and wet etching method using same | Kenji Shimada, Kenichi Takahashi, Toshiyuki Oie, Aya Ito | 2020-06-23 |
| 10508173 | Composition for optical material and optical material using the same | Yousuke IMAGAWA, Yoshiaki Yamamoto, Hiroshi Horikoshi | 2019-12-17 |
| 9658365 | Optical material composition and method for producing same | Yousuke IMAGAWA, Teruo Kamura, Hiroshi Horikoshi | 2017-05-23 |