Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10833364 | Lithium-ion secondary battery | Kenichi Shimura, Kazuhiko Inoue | 2020-11-10 |
| 10374219 | Lithium ion secondary battery | Ryuichi Kasahara, Shin Serizawa, Hiroo Takahashi, Tatsuji Numata | 2019-08-06 |
| 10333174 | Lithium ion secondary battery and method for manufacturing same | Daisuke Kawasaki, Kenichi Shimura, Noboru YOSHIDA, Kazuhiko Inoue | 2019-06-25 |
| 9985286 | Negative electrode active material, method for manufacturing same, and lithium secondary battery | Daisuke Kawasaki, Emiko Fujii, Shin Serizawa, Hiroo Takahashi | 2018-05-29 |
| 9893350 | Lithium secondary battery | — | 2018-02-13 |
| 9859589 | Method for producing secondary battery | Makihiro Otohata, Kazuaki Matsumoto, Ikiko Shimanuki | 2018-01-02 |
| 9831526 | Lithium secondary battery | — | 2017-11-28 |
| 9768476 | System and method for detecting a state of a lithium secondary battery by measuring a voltage of a negative electrode with respect to a reference electrode | Tetsuya Kajita, Daisuke Kawasaki, Ryuichi Kasahara, Tatsuji Numata | 2017-09-19 |
| 9627687 | Secondary battery | Daisuke Kawasaki, Shinako Kaneko | 2017-04-18 |
| 9443661 | Power storage device having a nitroxyl polymer in a cathode and a lithium or lithium alloy anode | Kentaro Nakahara, Shigeyuki Iwasa, Masahiro Suguro, Masaharu Satoh | 2016-09-13 |
| 9325010 | Negative electrode active material for lithium secondary cell, lithium secondary cell employing the same, and method for producing the same | Tetsuya Kajita, Daisuke Kawasaki, Tatsuji Numata, Kazuhiko Inoue | 2016-04-26 |
| 9263741 | Negative electrode for nanaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery using the same, and method for manufacturing negative electrode for nonaqueous electrolyte secondary battery | Ryuichi Kasahara, Tetsuya Kajita, Tatsuji Numata | 2016-02-16 |
| 9203107 | Secondary battery | Daisuke Kawasaki, Shinako Kaneko | 2015-12-01 |
| 9160004 | Lithium ion secondary battery | Ryuichi Kasahara, Kazuhiko Inoue | 2015-10-13 |
| 9123928 | Method for doping and dedoping lithium into and from negative electrode and method for producing negative electrode for lithium secondary battery | Tetsuya Kajita, Daisuke Kawasaki, Tatsuji Numata | 2015-09-01 |
| 9076995 | Secondary battery | Shin Serizawa, Hiroo Takahashi, Daisuke Kawasaki, Ryuichi Kasahara, Emiko Fujii +2 more | 2015-07-07 |
| 9018916 | Lithium secondary battery and control system therefor, and method for detecting state of lithium secondary battery | Tetsuya Kajita, Daisuke Kawasaki, Ryuichi Kasahara, Tatsuji Numata | 2015-04-28 |
| 8956762 | Lithium ion secondary battery and method for manufacturing the same | Ryuichi Kasahara, Tetsuya Kajita, Hiroo Takahashi, Tatsuji Numata, Daisuke Kawasaki | 2015-02-17 |
| 8728662 | Process for producing polyradical compound and battery cell | Masahiro Suguro, Shigeyuki Iwasa, Yuki Kusachi, Yukiko Morioka, Kentaro Nakahara +1 more | 2014-05-20 |
| 8034475 | Anode for secondary battery and secondary battery using the same | Hironori Yamamoto, Yutaka Bannai, Mariko Miyachi, Hidemasa Kawai, Masato Shirakata | 2011-10-11 |
| 7763387 | Negative electrode for secondary cell and secondary cell using the same | Hironori Yamamoto, Yutaka Bannai, Mariko Miyachi, Hidemasa Kawai, Masato Shirakata | 2010-07-27 |
| 7544441 | Secondary battery having an active material radical compound | Shigeyuki Iwasa, Kentaro Nakahara, Yukiko Morioka, Masaharu Satoh | 2009-06-09 |
| 7476465 | Electrode active material and electrode using the electrode active material and battery using the electrode | Yukiko Morioka, Masahiro Suguro, Kentaro Nakahara, Shigeyuki Iwasa, Masaharu Satoh | 2009-01-13 |
| 7312000 | Electrolytic solution for secondary battery and secondary battery containing the same | Yukiko Morioka, Sigeyuki Iwasa, Kentaro Nakahara, Masaharu Satoh, Masahiro Suguro | 2007-12-25 |
| 7285359 | Secondary battery-use negative electrode and secondary battery using it | Hironori Yamamoto, Mitsuhiro Mori, Mariko Miyachi, Koji Utsugi, Yutaka Bannai +2 more | 2007-10-23 |