Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11276858 | Negative electrode active material for lithium ion rechargeable battery and negative electrode using the same | Ken-ichi Hongawa, Hayato Matsumoto, Kazuaki Yamashita | 2022-03-15 |
| 10283775 | Negative electrode active material for lithum ion rechargeable battery and negative electrode using the same | Ken-ichi Hongawa, Hayato Matsumoto, Kazuaki Yamashita | 2019-05-07 |
| 9490499 | Negative electrode active material for lithium ion rechargeable battery and negative electrode using the same | Ken-ichi Hongawa, Hayato Matsumoto, Kazuaki Yamashita | 2016-11-08 |
| 8728668 | Negative electrode active material for lithium ion rechargeable battery and negative electrode using the same | Kenichi Hongawa, Hayato Matsumoto | 2014-05-20 |
| 5447624 | Packings for liquid chromatography and process for producing the same | Hiroshi Wakizaka, Hiroyuki Moriyama, Katsuo Komiya, Hiroshi Ichikawa, Akira Yokoyama | 1995-09-05 |
| 5270280 | Packing material for liquid chromatography and method of manufacturing thereof | Hiroshi Ichikawa, Akira Yokoyama, Hiroyuki Moriyama, Katsuo Komiya, Yoshio Kato | 1993-12-14 |