Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013379 | Coated steel sheet for alkaline dry cell positive electrode cans | Taketo Uesugi, deceased, Masaaki Kurimura, Kenji Koshiishi, Yasuharu Maeda, Masahiro Murakami +1 more | 2000-01-11 |
| 5527641 | Coated metal sheet for dry cell positive electrode can and positive electrode can formed of such metal sheet | Kenji Koshiishi, Kazuyuki Hiraoka, Keiichi Sawaya, Kenji Ogawa, Toshio Nagatomo +5 more | 1996-06-18 |