Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022673 | Lithium ion secondary battery system, and method for operating lithium ion secondary battery | Chika Kanbe | 2011-09-20 |
| 7939231 | Magnetic toner | Yoshihiro Ogawa, Yusuke Hasegawa, Shinichiro Abe, Takashige Kasuya | 2011-05-10 |