Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8597584 | Gas purifying process and device | Tadahiro Ohmi, Masato Kawai, Tetsuya Kimijima, Kunio Matsuda | 2013-12-03 |
| 7744836 | Gas purifying process and device | Tadahiro Ohmi, Masato Kawai, Tetsuya Kimijima, Kunio Matsuda | 2010-06-29 |
| 5985489 | Carbon for a lithium secondary battery, lithium secondary battery, and manufacturing methods therefor | Takushi Ohsaki, Hiroshi Taira, Takashi Inui, Mitsuo Kigure, Akihiro Nakamura | 1999-11-16 |
| 5658692 | Carbon negative electrode materials and lithium secondary cells containing the same | Takushi Ohsaki, Hiroshi Taira, Akira Wakaizumi | 1997-08-19 |