Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7745038 | Alkaline dry battery and sealing gasket therefor | Itsue Yoshioka, Yuji Tsuchida, Yukiyoshi Murakami, Tatsuya Yamazaki, Yuji Takahashi +2 more | 2010-06-29 |
| 7144656 | Alkaline battery sealing gasket and sealed alkaline battery | Norihisa Watanabe, Itsue Yoshioka, Yuji Tsuchida | 2006-12-05 |
| 6270833 | Separator for an alkaline cell and a method of producing the separator | Katsuhiro Yamashita, Shuji Murakami, Hirohiko Ota | 2001-08-07 |
| 5376480 | Alkaline battery | Kenichi Shinoda, Akihide Izumi, Mitsuo Murakoshi, Katsuhiro Yamashita, Hidenori Tsuzuki +1 more | 1994-12-27 |
| 5348816 | Alkaline battery | Kenichi Shinoda, Akihide Izumi, Katsuhiro Yamashita, Hidenori Tsuzuki, Takashi Matsuo | 1994-09-20 |