Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416174 | Ink composition, pattern forming method, and color filter | Kazuo Sakai, Hiroyuki Nakazumi | 2002-07-09 |
| 6403695 | Carbon black and rubber compositions containing same | Mizuo Soeda, Akimasa Arita, Kazue Watanabe | 2002-06-11 |