Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639914 | Tetraaryl benzidines | Masahiko Oshino, Ikuko Ihara, Naoko Nakanishi | 1997-06-17 |
HT
Hiromitsu Tomiyama
Hodogaya Chemical Co.: 1 patents #10 of 34Top 30%
Overall (1997): #140,237 of 185,788Top 80%
1
Patents 1997