Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8715484 | Process for producing needle coke for graphite electrode and stock oil composition for use in the process | Tamotsu Tano, Takashi Oyama, Toshiyuki Oda, Ippei Fujinaga | 2014-05-06 |
| 8697025 | Raw material charcoal composition for negative electrode material of lithium ion secondary battery and method for producing the same | Tamotsu Tano, Takashi Oyama, Akio Sakamoto | 2014-04-15 |
| 8226921 | Raw coke for electricity storage carbon material and needle coke | Takashi Oyama, Kazuhisa Nakanishi, Tamotsu Tano, Keiji Higashi, Ippei Fujinaga +7 more | 2012-07-24 |
| 8197788 | Raw coke for electricity storage carbon material and needle coke | Takashi Oyama, Kazuhisa Nakanishi, Tamotsu Tano, Keiji Higashi, Ippei Fujinaga +7 more | 2012-06-12 |
| 7964173 | Feedstock composition and raw coke for electricity storage carbon material and needle coke | Takashi Oyama, Kazuhisa Nakanishi, Tamotsu Tano, Keiji Higashi, Ippei Fujinaga +3 more | 2011-06-21 |
| 7959888 | Raw coke for electricity storage carbon material and needle coke | Takashi Oyama, Kazuhisa Nakanishi, Tamotsu Tano, Keiji Higashi, Ippei Fujinaga +7 more | 2011-06-14 |