Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754264 | Water content detecting device for diaper | Shigeru Okada, Katsutoshi Rokuta | 1988-06-28 |
| 4622612 | Electrolytic capacitor | Tatsuji Tanouchi, Junichi Ushimoto, Satoru Okabayashi | 1986-11-11 |