Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693374 | Alpha-resorcyclic acid ester derivatives and recording materials using the same | Hisao Yamada, Ken Iwakura | 1997-12-02 |
SH
Shunsaku Higashi
Overall (1997): #78,962 of 185,788Top 45%
1
Patents 1997