Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863554 | Process for pulling a single crystal | Toshihiro Kotani, Ryusuke Nakai, Shintaro Miyazawa, Keigo Hoshikawa | 1989-09-05 |
AK
Akihisa Kawasaki
Nippon Telegraph And Telephone Public: 1 patents #4 of 48Top 9%
Overall (1989): #134,695 of 140,708Top 100%
1
Patents 1989