Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479187 | Power source | Yoshiharu Takasaki | 2002-11-12 |
| 6445582 | Power supply apparatus | Takashi Oda | 2002-09-03 |
| 6410184 | Power source containing rechargeable batteries | Yoshiharu Takasaki | 2002-06-25 |