Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859077 | Precision calorimeter | Shoziro Ito, Hiroyasu Ito | 1989-08-22 |
| 4839742 | Reflected-character printing apparatus | Yukio Nakatani, Takashi Sakai | 1989-06-13 |
AI
Akihiro Ito
Overall (1989): #31,707 of 140,708Top 25%
2
Patents 1989