Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824822 | Thermosensitive recording material | Yoichi Yamamoto, Hironori Fujii | 1989-04-25 |
TO
Toshio Oichi
Sugai Chemical Industry Co.: 1 patents #1 of 3Top 35%
Overall (1989): #138,223 of 140,708Top 100%
1
Patents 1989