Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7815313 | Drive sense adjusting apparatus and drive sense adjusting method | Mitsuhito Ito, Youji Shimizu, Katsunori Okada, Keijiro Iwao, Akihiro Matsushita +3 more | 2010-10-19 |
| 5156935 | Lead-acid battery | Eiji Hohjo, Kenjiro Kishimoto, Yoshio Kasai, Osamu Matsushita | 1992-10-20 |