Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069990 | Sealed alkaline secondary battery | Hideo Yasuda | 1991-12-03 |
KY
Koji Yoshimura
Sony: 12 patents #3,691 of 25,231Top 15%
Shibaura Mechatronics: 3 patents #49 of 175Top 30%
Japan Storage Battery Co.: 2 patents #45 of 170Top 30%
De Nora Permelec: 1 patents #25 of 59Top 45%
Sanwakako Co.: 1 patents #8 of 20Top 40%
Overall (All Time): #150,800 of 4,157,543Top 4%
26
Patents All Time