Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650812 | Recording head for preventive air intrusion into the common chamber | Norihiro Ochi, Hisashi Yoshimura | 1997-07-22 |
YK
Yoshio Kanayama
Overall (1997): #56,211 of 185,788Top 35%
1
Patents 1997