Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668271 | Indolopyrrolocarbazole derivatives | Katsuhisa Kojiri, Hisao Kondo, Mitsuru Ohkubo, Hiroyuki Suda | 1997-09-16 |
| 5591842 | Indolopyrrolocarbazole derivatives | Katsuhisa Kojiri, Hisao Kondo, Mitsuru Ohkubo, Hiroyuki Suda | 1997-01-07 |