Issued Patents 2004
Showing 1–2 of 2 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 |