Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6072042 | Bis(aminocarbonylnaphthol) derivative | Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Mariko Tanigawa | 2000-06-06 |
| 6005085 | Condensed azo compounds and process for preparing the same | Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori | 1999-12-21 |