Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12244027 | Sealing gasket and tubular battery incorporating sealing gasket | Tatsuya Yamazaki | 2025-03-04 |
| 12218340 | Alkaline battery and method of producing negative electrode gel for alkaline battery | Yuya Suzuki, Takeo Nogami, Shingo Anzai, Shunji Matsui | 2025-02-04 |
| 11594740 | Sealing gasket for cylindrical alkaline battery and cylindrical alkaline battery | Tatsuya Yamazaki | 2023-02-28 |
| 10217970 | Steel plate for forming battery can and alkaline battery | Takuya Suzuki | 2019-02-26 |
| 10211439 | Cylindrical battery | Tatsuya Yamazaki | 2019-02-19 |
| 9728752 | Alkaline battery including cathode can with coating composed of nickel-cobalt alloy | Yoshiaki Ishitani | 2017-08-08 |
| 8546015 | Battery can and alkaline battery | Yukiyoshi Murakami | 2013-10-01 |
| 8137835 | Plated steel plate for cell can, battery, alkaline dry battery | Yuji Tsuchida, Tatsuya Yamazaki | 2012-03-20 |
| 8040109 | Battery terminal inspection apparatus, inspection method, and cylindrical dry battery | Yuji Tsuchida, Tatsuya Yamazaki | 2011-10-18 |