Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263633 | Combined magnetic tape head | Yozo Yamada, Kazuo Hayashi | 1981-04-21 |
HK
Heihachiro Kobayashi
Overall (All Time): #4,088,188 of 4,157,543Top 100%
1
Patents All Time