Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492260 | Carbonaceous material for negative electrode active material for non-aqueous electrolyte secondary batteries, non-aqueous electrolyte secondary battery negative electrode, non-aqueous electrolyte secondary battery, and production method of carbonaceous material | Takafumi Izawa, Kengo TACHIKAWA | 2022-11-08 |
| 11355755 | Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte | Tomohiro Kawakami, Takafumi Izawa, Taketoshi Okuno, Jun-Sang Cho | 2022-06-07 |
| 11345601 | Carbonaceous material for negative pole active substance of nonaqueous electrolyte secondary battery, negative pole for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and method for producing carbonaceous material | Takafumi Izawa, Keiichi Nishimura, Taketoshi Okuno | 2022-05-31 |