Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857502 | Thermosensitive recording material | Takashi Ueda, Keiichi Maruta | 1989-08-15 |
| 4798820 | Thermosensitive recording material | Hiroshi Sakamoto | 1989-01-17 |
HY
Hiroshi Yaguchi
Overall (1989): #25,500 of 140,708Top 20%
2
Patents 1989