| 12330946 |
Carbon material for negative electrode of lithium ion secondary battery and method of producing the same, and negative electrode and lithium ion secondary battery using the carbon material |
Ryuta Haga |
2025-06-17 |
| 10170752 |
Method for producing amorphous carbon particle, amorphous carbon particles, negative electrode material for lithium ion secondary batteries, and lithium ion secondary battery |
Makiko Ijiri, Ryuta Haga, Katsuhiro Nagayama |
2019-01-01 |
| 9735421 |
Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery |
Makiko Ijiri, Ryuta Haga, Katsuhiro Nagayama |
2017-08-15 |
| 9379384 |
Method for producing non-graphitizable carbon material, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery |
Ryuta Haga, Makiko Ijiri, Katsuhiro Nagayama |
2016-06-28 |
| 9327978 |
Method for producing non-graphitizable carbon material, non-graphitizable carbon material, negative electrode material for lithium-ion secondary battery, and lithium-ion secondary battery |
Ryuta Haga, Makiko Ijiri, Katsuhiro Nagayama |
2016-05-03 |
| 6485864 |
Production process of material for lithium-ion secondary batteries, material obtained by the process, and batteries |
Kunio Miyazawa, Masayasu Nagoshi, Kenshi Noda, Takaaki Kondo, Hidetoshi Morotomi +3 more |
2002-11-26 |
| 5910383 |
Production process of carbonaceous material and battery |
Yoshihiko Hase, Hidetoshi Morotomi, Hiromi Okamoto, Syoji Komura, Yasuyuki Takigawa +1 more |
1999-06-08 |