Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8389137 | Method of reusing rechargeable battery | Katsunori Maegawa, Toshiaki Nakanishi | 2013-03-05 |
| 8362749 | Method for exchanging rechargeable batteries | Naoto Sato | 2013-01-29 |
| 7758994 | Nickel metal hydride storage battery with a safety valve for relieving excess gas pressure in the battery when the safety valve is open, the safety valve having a hydrogen-permeable valve member for allowing hydrogen-gas leakage therethrough when the safety valve is closed | Tomohiro Matsuura, Shinji Hamada, Toyohiko Eto, Yoshiyuki Nakamura | 2010-07-20 |
| 7666549 | Enclosed nickel-metal hydride storage battery | Yoshiaki Ogata, Atsushi Adachi, Katsunori Maegawa, Noriyuki Fujioka, Haruyoshi Yamashita +1 more | 2010-02-23 |
| 7452629 | Nickel metal hydride storage battery | Yoshiaki Ogata, Atsushi Adachi, Katsunori Maekawa, Noriyuki Fujioka | 2008-11-18 |
| 6936371 | Method for recycling battery pack | Noriyuki Fujioka, Tadao Kimura, Haruyoshi Yamashita, Yasuhiro Takahashi | 2005-08-30 |
| 6933079 | Separator for alkaline storage battery and alkaline storage battery using the same | Naoto Sato, Nobuyasu Morishita | 2005-08-23 |
| 6777129 | Alkaline storage battery | Naoto Sato, Akihiro Taniguchi, Munehisa Ikoma, Yasuhiro Takahashi, Takashi Ito | 2004-08-17 |
| 6444361 | Active material for hydrogen storage alloy electrode and method for producing the same | Hiromu Matsuda, Yoshinori Toyoguchi | 2002-09-03 |
| 5656396 | Alkaline storage battery | Tadao Kimura, Hiromu Matsuda, Yoshinori Toyoguchi, Hiromi Kajiya | 1997-08-12 |
| 5605585 | Method for producing hydrogen storage alloy particles and sealed-type nickel-metal hydride storage battery using the same | Osamu Yamamoto, Kohei Suzuki, Seiji Yamaguchi, Tadao Kimura, Munehisa Ikoma +1 more | 1997-02-25 |
| 5512385 | Hydrogen storage alloy and nickel-metal hydride storage battery using the same | Osamu Yamamoto, Yoshinori Toyoguchi, Kohei Suzuki, Seiji Yamaguchi, Ayako Tanaka +1 more | 1996-04-30 |