Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815150 | Photoresist stripping composition and process for stripping resist | Hijiri Nakahara, Yukihiko Takeuchi, Ryou Hashimoto, Taketo Maruyama | 2004-11-09 |
| 6686322 | Cleaning agent and cleaning process using the same | Masahiro Nohara, Ryou Hashimoto, Taimi Oketani, Taketo Maruyama, Tetsuo Aoyama | 2004-02-03 |
| 6638694 | Resist stripping agent and process of producing semiconductor devices using the same | Kazuto Ikemoto, Taketo Maruyama, Tetsuo Aoyama | 2003-10-28 |
| 6500270 | Resist film removing composition and method for manufacturing thin film circuit element using the composition | Masahiro Nohara, Yukihiko Takeuchi, Taimi Oketani, Taketo Maruyama, Tetsuya Karita +1 more | 2002-12-31 |
| 6458517 | Photoresist stripping composition and process for stripping photoresist | Masahiro Nohara, Yukihiko Takeuchi, Taketo Maruyama, Tetsuo Aoyama | 2002-10-01 |
| 6440326 | Photoresist removing composition | Taketo Maruyama, Tetsuya Karita, Tetsuo Aoyama | 2002-08-27 |
| 6323169 | Resist stripping composition and process for stripping resist | Kojiro Abe, Hideki Fukuda, Taketo Maruyama | 2001-11-27 |
| 5338462 | Active carbon materials, process for the preparation thereof and the use thereof | Toshio Kondoh, Hideki Fukuda, Mayumi Takahashi, Tetsuo Aoyama, Masahiro Miyake | 1994-08-16 |
| 5242879 | Active carbon materials, process for the preparation thereof and the use thereof | Toshio Kondoh, Hideki Fukuda, Mayumi Takahashi, Tetsuo Aoyama, Masahiro Miyake | 1993-09-07 |