Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10016743 | Activated carbon having basic functional groups and method for producing same | Junichi Yasumaru, Noriyasu Akamatsu, Takaki Tsukazaki | 2018-07-10 |
| 9731272 | Activated carbon having basic functional groups and method for producing same | Junichi Yasumaru, Noriyasu Akamatsu, Takaki Tsukazaki | 2017-08-15 |
| 7563543 | Negative electrode of lithium ion secondary battery obtained by isostatically pressing a spherical graphite to eliminate voids therein | Koujiro Tenno, Junichi Yasumaru, Shingo Asada, Satoshi Kubota | 2009-07-21 |