Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8444717 | Method for evaluating battery safety under internal short-circuit condition, battery and battery pack whose safety is identified by internal short-circuit safety evaluation method, and method for producing the same | Shinji Kasamatsu, Mikinari Shimada, Yasuo Fukase, Masatoshi Takahashi, Masato Iwanaga | 2013-05-21 |
| 7867649 | Non-aqueous electrolyte secondary cell | Akira Yamaguchi, Atsuo Omaru | 2011-01-11 |
| 7754389 | Battery including an electrolyte solution comprising a halogenated carbonate derivative | Akira Yamaguchi, Kaoru Nakajima, Yusuke Fujishige, Yuzuru Fukushima | 2010-07-13 |
| 7659033 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Hideya Kaminaka +2 more | 2010-02-09 |
| 7648800 | Positive electrode active material for a non-aqueous electrode cell and non-aqueous electrode cell using the same | Junji Kuyama | 2010-01-19 |
| 7498101 | Non-aqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes | Akira Yamaguchi, Shinji Hatake, Atsuo Omaru | 2009-03-03 |
| 7214447 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Hideya Kaminaka +2 more | 2007-05-08 |
| 7172837 | Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes | Akira Yamaguchi, Shinji Hatake, Atsuo Omaru | 2007-02-06 |
| 7138207 | Non-aqueous electrolyte secondary cell | Akira Yamaguchi, Atsuo Omaru | 2006-11-21 |
| 7070883 | Non-aqueous electrolyte secondary battery | Atsuo Omaru, Naoyuki Nakajima | 2006-07-04 |
| 7045251 | Material for positive electrode and secondary battery | Hisashi Tsujimoto, Yoshikatsu Yamamoto, Junji Kuyama, Atsuo Omaru, Hiroaki Tanizaki | 2006-05-16 |
| 7014954 | Nonaqueous electrolyte secondary battery including vinylene carbonate and an antioxidant in the electrolyte | Akira Yamaguchi, Atsuo Omaru, Minoru Hasegawa | 2006-03-21 |
| 6940254 | Trade-in battery system | Masayoshi Kanno, Shunichi Fujishima | 2005-09-06 |
| 6884543 | Material for positive electrode and secondary battery | Hisashi Tsujimoto, Yoshikatsu Yamamoto, Junji Kuyama, Atsuo Omaru, Hiroaki Tanizaki | 2005-04-26 |
| 6806003 | Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes | Akira Yamaguchi, Shinji Hatake, Atsuo Omaru | 2004-10-19 |
| 6764767 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Hideya Kaminaka +2 more | 2004-07-20 |
| 6716557 | Anode material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using such anode material | Atsuo Omaru, Naoyuki Nakajima | 2004-04-06 |
| 6686094 | Non-acqueous electrolyte secondary cell | Atsuo Omaru, Naoyuki Nakajima | 2004-02-03 |
| 6623888 | Non-aqueous electrolyte secondary cell | Atsuo Omaru, Naoyuki Nakajima | 2003-09-23 |
| 6623892 | Nonaqueous electrolyte battery | Akira Yamaguchi, Hidetoshi Ito, Atuo Omaru | 2003-09-23 |
| 6534217 | Positive electrode material and secondary battery using the same | Keizou Koga, Yosuke Hosoya, Junji Kuyama | 2003-03-18 |
| 6458490 | Nonaqueous electrolyte battery | Hayato Hommura, Hiroshi Imoto | 2002-10-01 |
| 6440609 | Non-aqueous electrolytic cell comprising low weight percent of carbon fibers | Akira Yamaguchi, Atsuo Omaru | 2002-08-27 |
| 6335122 | Carbonaceous electrode material for non-aqueous secondary battery | Shinichiro Yamada, Hiroshi Imoto, Hideto Azuma, Tadashi Senoo, Koji Sekai +4 more | 2002-01-01 |
| 6277522 | Non-aqueous electrolyte secondary cell cathode material and non-aqueous electrolyte secondary cell employing the cathode material | Atsuo Omaru, Naoyuki Nakajima | 2001-08-21 |