Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12322761 | Aqueous sodium ion secondary battery | Baowei Xie, Toshiya Takahara, Wataru Kobayashi, Masaki Okada | 2025-06-03 |
| 11355752 | Positive electrode active substance for non-aqueous secondary battery and non-aqueous secondary battery including the same | Ayuko Kitajou | 2022-06-07 |
| 9780369 | Cathode active material for lithium batteries, and lithium battery comprising the cathode active material for lithium batteries | Ayuko Kitajou, Ryuichi Tsuji, Jun Yoshida, Shinji Nakanishi | 2017-10-03 |
| 9312538 | Method for producing iron oxyfluoride positive electrode active substance and iron oxyflouride positive electrode active substance | Ayuko Kitajou, Hideyuki Komatsu, Irina D. Gocheva, Kuniko Chihara, Junichi Yamaki | 2016-04-12 |
| 9209484 | All-solid-state cell | Eiji Kobayashi, Kazuhiro Yamamoto, Toshihiro Yoshida, Yosuke Sato | 2015-12-08 |
| 9209486 | All-solid-state cell | Eiji Kobayashi, Kazuhiro Yamamoto, Toshihiro Yoshida, Yosuke Sato | 2015-12-08 |
| 8974963 | Lithium secondary battery | Motoshi Isono, Jun-ichi Yamaki | 2015-03-10 |
| 8865349 | Method of producing positive electrode active material and nonaqueous electrolyte battery using the same | Tomoyuki Shiratsuchi, Tomoko Iwanaga, Jun-ichi Yamaki, Shinji Iizuka, Osamu Omae +2 more | 2014-10-21 |
| 8709655 | Positive electrode active material for nonaqueous electrolyte secondary battery | Jun-ichi Yamaki, Yusuke Takahashi, Kenji Nakane | 2014-04-29 |
| 8703334 | Amorphous electrode active material and lithium secondary battery | Jun-ichi Yamaki, Tetsuya WASEDA, Motoshi Isono | 2014-04-22 |
| 8454925 | Cathode active material for non-aqueous electrolyte secondary battery and manufacturing method of the same | Manabu Nishijima, Takayuki Doi, Jun-ichi Yamaki, Irina D. Gocheva, Toshiyasu Kiyabu | 2013-06-04 |
| 8197972 | All-solid-state cell | Eiji Kobayashi, Kazuhiro Yamamoto, Toshihiro Yoshida | 2012-06-12 |
| 8142934 | Positive electrode for non-aqueous electrolytic secondary cell and non-aqueous electrolytic secondary cell | Jun-ichi Yamaki, 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, Tomoko Iwanaga +2 more | 2011-06-21 |
| 7914932 | All-solid-state battery | Toshihiro Yoshida, Hiroyuki Katsukawa | 2011-03-29 |
| 7842419 | Electroactive material and use thereof | Jun-ichi Yamaki, Hideyuki Yamamura, Shigeru Fujino | 2010-11-30 |
| 7815888 | Method of producing secondary battery cathode material, and secondary battery | Naoki Hatta, Jun-ichi Yamaki | 2010-10-19 |
| 7794879 | Positive electrode active material for non-aqueous electrolyte secondary cell | Jun-ichi Yamaki, Toshiyasu Kiyabu, Kenji Nakane | 2010-09-14 |
| 7510800 | All-solid-state battery | Toshihiro Yoshida, Hiroyuki Katsukawa, Kazuhiro Yamamoto | 2009-03-31 |
| 7498098 | Method for producing positive cathode material for lithium battery, and lithium battery | Jun-ichi Yamaki, Yike Chen, Takafumi Yamamoto, Naoki Hatta | 2009-03-03 |
| 7491468 | Method for preparing positive electrode material for secondary cell, and secondary cell | Jun-ichi Yamaki, 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, Shin-ichi Tobishima, Jun-ichi Yamaki | 1998-11-10 |
| 5695893 | Material for use in the positive electrodes of lithium batteries, its manufacture, and lithium batteries incorporating this material | Hajime Arai, Yoji Sakurai, Jun-ichi Yamaki | 1997-12-09 |
| 5415957 | Cathode material and secondary battery using the same | Hideaki Ohtsuka, Hajime Arai, Masasi Shibata, Masahiro Ichimura | 1995-05-16 |
| 4675260 | Lithium battery including vanadium pentoxide base amorphous cathode active material | Yoji Sakurai, Toshiro Hirai, Takeshi Okada, Jun-ichi Yamaki, Hideaki Ohtsuka | 1987-06-23 |