Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9209431 | Alkaline battery | Fumio Kato | 2015-12-08 |
| 9190655 | Lithium primary battery | Fumio Kato, Futoshi Tanigawa, Yoshiki Fukuhara | 2015-11-17 |
| 9159993 | Alkaline battery | Fumio Kato | 2015-10-13 |
| 8790806 | Alkaline battery | Fumio Kato, Fumiharu Sakashita, Isamu Saruwatari | 2014-07-29 |
| 8709646 | Alkaline battery | Fumio Kato, Machiko Tsukiji | 2014-04-29 |
| 8668999 | Lithium primary battery | Fumio Kato, Kenichi Morigaki, Shinichiro Tahara | 2014-03-11 |
| 8652690 | Lithium primary battery | Fumio Kato, Toshiyuki Shimizu | 2014-02-18 |
| 8206851 | AA alkaline battery and AAA alkaline battery | Kato Fumio, Harunari Shimamura | 2012-06-26 |
| 8048560 | Alkaline battery | Fumio Kato, Harunari Shimamura | 2011-11-01 |
| 7931986 | Alkaline battery | Yuji Mototani | 2011-04-26 |
| 7771873 | Alkaline battery | Yuji Mototani, Hidekazu Hiratsuka, Shigeru Hanaoka | 2010-08-10 |
| 7399555 | Non-aqueous electrolytic secondary battery | Hideki Sano, Masaya Sugafuji, Norihiro Yamamoto, Masaki Kitagawa, Kiyomi Kato +2 more | 2008-07-15 |
| 6682856 | Secondary battery having a non-aqueous electrolyte | Shoichiro Watanabe, Kazuya Iwamoto, Atsushi Ueda, Hizuru Koshina | 2004-01-27 |
| 6303250 | Secondary battery including an electrolytic solution with an organic additive | Shoichiro Watanabe, Kazuya Iwamoto, Atsushi Ueda, Hizuru Koshina | 2001-10-16 |
| 6165647 | Secondary battery comprising a polymerizable material in its electrolyte solution | Shoichiro Watanabe, Kazuya Iwamoto, Atsushi Ueda, Hizuru Koshina | 2000-12-26 |
| 5928714 | Method of manufacturing positive active material for batteries | Takuya Nakashima, Hiroshi Yoshizawa, Seiji Tao | 1999-07-27 |
| 5744266 | Batteries and a method of manufacturing positive active material for the batteries | Takuya Nakashima, Hiroshi Yoshizawa, Seiji Tao | 1998-04-28 |