Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993619 | Raw oil composition for carbon material for electric double layer capacitor electrode | Takashi Oyama, Ippei Fujinaga, Hideki Ono, Masaki Fujii | 2011-08-09 |
| 7964173 | Feedstock composition and raw coke for electricity storage carbon material and needle coke | Takashi Oyama, Kazuhisa Nakanishi, Keiji Higashi, Ippei Fujinaga, Hiromitsu Hashisaka +3 more | 2011-06-21 |
| 7959888 | Raw coke for electricity storage carbon material and needle coke | Takashi Oyama, Kazuhisa Nakanishi, Keiji Higashi, Ippei Fujinaga, Hiromitsu Hashisaka +7 more | 2011-06-14 |