Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942496 | Ceramic capacitor and manufacturing method thereof | Hajime Arakawa, Osamu Yamaoka, Kazuyuki Kubota, Yoshimasa Azuma, Mitsuru Nagashima | 1990-07-17 |
| 4939620 | High-voltage ceramic capacitor and method of its manufacture | Hajime Arakawa | 1990-07-03 |
| 4937096 | Manufacturing method for a ceramic capacitor | Hajime Arakawa, Osamu Yamaoka | 1990-06-26 |