Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323260 | Lubricant, recording medium and carboxylic acid compound | Ken Kobayashi, Tomoe Sato, Tadashi Ozue, Seiichi Onodera, Takahiro Kawana | 2008-01-29 |
| 6989356 | Partially-fluorinated-alkyl compound, lubricant comprising the compound, and recording medium using the lubricant | Ken Kobayashi, Takahiro Kamei, Noriyuki Kishii, Kenichi Kurihara, Hisanori Tsuboi | 2006-01-24 |