Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10622679 | Method for manufacturing fluoride ion conducting electrolyte solution and method for manufacturing fluoride ion battery | Hirofumi Nakamoto, Zempachi Ogumi | 2020-04-14 |
| 10490855 | Electrochemical energy storage device | Toru Matsui, Koji Suto, Toshiro Hirai, Zempachi Ogumi | 2019-11-26 |
| 10305145 | Liquid electrolyte for fluoride ion battery and fluoride ion battery | Hirofumi Nakamoto, Zempachi Ogumi | 2019-05-28 |
| 10270122 | Liquid electrolyte for fluoride ion battery and fluoride ion battery | Hirofumi Nakamoto, Zempachi Ogumi | 2019-04-23 |
| 10153491 | Secondary battery | Zempachi Ogumi, Toshiro Hirai, Hideyuki Horino, Ken-ichi Okazaki, Yukinori Koyama | 2018-12-11 |
| 9899706 | Electrolytic solution for fluoride ion battery and fluoride ion battery | Hirofumi Nakamoto, Zempachi Ogumi | 2018-02-20 |
| 9882246 | Electrochemical energy storing device | Toru Matsui, Toshiro Hirai, Zempachi Ogumi | 2018-01-30 |
| 9742035 | Electrochemical energy storage device | Toru Matsui, Akiyoshi Nakata, Toshiro Hirai, Zempachi Ogumi | 2017-08-22 |
| 9716292 | Electrochemical energy storage device | Toru Matsui, Toshiro Hirai, Zempachi Ogumi | 2017-07-25 |
| 9490501 | Electrolytic solution for fluoride ion battery and fluoride ion battery | Hirofumi Nakamoto, Zempachi Ogumi | 2016-11-08 |
| 8974963 | Lithium secondary battery | Motoshi Isono, Shigeto Okada | 2015-03-10 |
| 8865349 | Method of producing positive electrode active material and nonaqueous electrolyte battery using the same | Shigeto Okada, Tomoyuki Shiratsuchi, Tomoko Iwanaga, Shinji Iizuka, Osamu Omae +2 more | 2014-10-21 |
| 8709655 | Positive electrode active material for nonaqueous electrolyte secondary battery | Shigeto Okada, Yusuke Takahashi, Kenji Nakane | 2014-04-29 |
| 8703334 | Amorphous electrode active material and lithium secondary battery | Shigeto Okada, Tetsuya WASEDA, Motoshi Isono | 2014-04-22 |
| 8454925 | Cathode active material for non-aqueous electrolyte secondary battery and manufacturing method of the same | Shigeto Okada, Manabu Nishijima, Takayuki Doi, Irina D. Gocheva, Toshiyasu Kiyabu | 2013-06-04 |
| 8142934 | Positive electrode for non-aqueous electrolytic secondary cell and non-aqueous electrolytic secondary cell | Shigeto Okada, Tomoko Iwanaga, Michio Takahashi, Hiroyuki Katsukawa | 2012-03-27 |
| 7964118 | Positive electrode active material and method of producing the same and nonaqueous electrolyte battery having positive electrode containing positive electrode active material | Shinji Iizuka, Osamu Omae, Kumiko Sueto, Takeshi Shimada, Shigeto Okada +2 more | 2011-06-21 |
| 7842419 | Electroactive material and use thereof | Shigeto Okada, Hideyuki Yamamura, Shigeru Fujino | 2010-11-30 |
| 7815888 | Method of producing secondary battery cathode material, and secondary battery | Naoki Hatta, Shigeto Okada | 2010-10-19 |
| 7794879 | Positive electrode active material for non-aqueous electrolyte secondary cell | Shigeto Okada, Toshiyasu Kiyabu, Kenji Nakane | 2010-09-14 |
| 7498098 | Method for producing positive cathode material for lithium battery, and lithium battery | Shigeto Okada, Yike Chen, Takafumi Yamamoto, Naoki Hatta | 2009-03-03 |
| 7491468 | Method for preparing positive electrode material for secondary cell, and secondary cell | Shigeto Okada, Naoki Hatta, Izumi Uchiyama, Toshikazu Inaba | 2009-02-17 |
| 5834139 | Negative electrode material for use in lithium secondary batteries and lithium secondary batteries incorporating this material | Takahisa Shodai, Shigeto Okada, Shin-ichi Tobishima | 1998-11-10 |
| 5695893 | Material for use in the positive electrodes of lithium batteries, its manufacture, and lithium batteries incorporating this material | Hajime Arai, Shigeto Okada, Yoji Sakurai | 1997-12-09 |
| 5588197 | Method of manufacturing metallic vacuum double-walled container | Yasuhiko Satomi, Seiichi Itoh, Eiji Otsuka, Takashi Kato | 1996-12-31 |