Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758482 | Enclosed type lead batteries and method for producing the same | Takumi Yamana, Tomoyuki Ohkura, Akira Ishiodori, Yoshimi Yabui, Yutaka Suzuki +7 more | 1988-07-19 |
| 4652505 | Sealed lead storage battery | Akio Komaki, Takumi Hayakawa, Tadashi Yoneda, Asahiko Miura, Satoshi Matsubayashi +1 more | 1987-03-24 |