Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368163 | Hardly graphitizable carbonaceous material for nonaqueous electrolyte secondary batteries fully charged to be used, method for producing same, negative electrode material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery fully charged to be used | Junji Fujioka, Jun-Sang Cho, Hideharu Iwasaki | 2025-07-22 |
| 12266802 | Carbonaceous material, method for producing same, and electrochemical device | Junichi Arima, Akinori YAMABATA, Shinya Tago | 2025-04-01 |
| 11634330 | Carbonaceous material and method for producing same | Shohei Kobayashi, Motomi Matsushima, Hideharu Iwasaki | 2023-04-25 |
| 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, Jun-Sang Cho, Hideharu Iwasaki | 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, Hideharu Iwasaki | 2022-05-31 |
| 10984963 | Carbonaceous material, carbonaceous material-containing electrode material for electric double layer capacitor, electrode for electric double layer capacitor, and electric double layer capacitor | Shohei Kobayashi, Motomi Matsushima, Hideharu Iwasaki | 2021-04-20 |
| 10734650 | Carbonaceous material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method for producing carbonaceous material for non-aqueous electrolyte secondary battery | Tomohiro Kawakami, Sayaka Ide, Takafumi Izawa, Jun-Sang Cho, Hideharu Iwasaki | 2020-08-04 |
| 10472239 | Carbonaceous material for electronic materials | Kyomi Tajima, Hidetoshi Kudo, Hideharu Iwasaki | 2019-11-12 |
| 10381637 | Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries | Akira Koshima, Kenichi Koyakumaru, Hideharu Iwasaki, Kenta Aoki, Makoto IMAJI +2 more | 2019-08-13 |
| 8477480 | Laminate, separator for capacitor, and capacitor | Tomohiro Hayakawa, Hideo Hayashi, Nozomu Sugoh, Hideki Kamada, Hiroyuki Kawai +1 more | 2013-07-02 |
| 8354774 | Dielectric material for polymeric actuator, and polymeric actuator using the same | Toshinori Kato, Tomiaki Otake, Nozomu Sugoh, Toshihiro Hirai | 2013-01-15 |
| 7728180 | Method for producing ethers | Jin Tokuyasu, Takashi Hori, Hideharu Iwasaki | 2010-06-01 |
| 6541575 | Process for producing an epoxidized polymer | Hideharu Iwasaki, Takuo Tsuruta | 2003-04-01 |