Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284432 | Coloring composition | Keisuke Ito, Kaori Yamamoto | 2001-09-04 |
| 5880202 | Black coating composition and application thereof | Toshinobu Yamashita, Koji Tsujimoto, Takeo Tokuda, Kiyoharu Nakatsuka | 1999-03-09 |
| 5302368 | Process for preparation of alumina | Takuo Harato, Toshio Ashitani, Toru Ogawa | 1994-04-12 |