Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281498 | Sheet-like separator and valve regulated lead acid battery | Hironori Kitawaki, Shoji Sugiyama, Yasuhide Nakayama, Katsumi Kitagawa, Kenjiro Kishimoto | 1994-01-25 |
| 5225298 | Sealed lead acid battery and separator for use in sealed lead acid battery | Yasuhide Nakayama, Katsumi Kitagawa, Kenjiro Kishimoto, Hironori Kitawaki, Shoji Sugiyama | 1993-07-06 |
| 5206100 | Separator and sealed lead acid battery | Hironori Kitawaki, Shoji Sugiyama, Yasuhide Nakayama, Katsumi Kitagawa, Kenjiro Kishimoto | 1993-04-27 |