Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500270 | Resist film removing composition and method for manufacturing thin film circuit element using the composition | Masahiro Nohara, Yukihiko Takeuchi, Taimi Oketani, Taketo Maruyama, Hisaki Abe +1 more | 2002-12-31 |
| 6440326 | Photoresist removing composition | Taketo Maruyama, Hisaki Abe, Tetsuo Aoyama | 2002-08-27 |
| 6265309 | Cleaning agent for use in producing semiconductor devices and process for producing semiconductor devices using the same | Hideto Gotoh, Tsuyoshi Matsui, Takayuki Niuya, Tetsuo Aoyama, Taketo Maruyama +3 more | 2001-07-24 |
| 5846695 | Removing agent composition for a photoresist and process for producing a semiconductor integrated circuit | Keiichi Iwata, Tetsuo Aoyama | 1998-12-08 |