Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594300 | Lead storage battery | Yuji Morioka, Yoshiaki Yano | 1986-06-10 |
| 4582767 | Lead storage battery | Yuji Morioka, Hiroyuki Miyata, Takahiko Ohama, Kazuhiro Uchiyama | 1986-04-15 |