Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639914 | Tetraaryl benzidines | Hiromitsu Tomiyama, Masahiko Oshino, Naoko Nakanishi | 1997-06-17 |
II
Ikuko Ihara
Hodogaya Chemical Co.: 1 patents #10 of 34Top 30%
Overall (1997): #138,417 of 185,788Top 75%
1
Patents 1997