Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935830 | Electro-magnetic shield structure for shielding a servo magnetic head of a magnetic disk storage device | Kazuo Matsuda, Takeshi Ohyama | 1990-06-19 |
SH
Sinzi Hiraoka
Overall (All Time): #3,905,603 of 4,157,543Top 95%
1
Patents All Time