Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638225 | Magnetic disc apparatus | Takehiko Tsuboi, Toshihiko Matsuda, Shoichi Shimizu, Hiroyuki Mase | 1997-06-10 |
MK
Masako Kaizumi
Overall (All Time): #3,717,781 of 4,157,543Top 90%
1
Patents All Time