Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8628873 | Separator for lithium ion secondary battery and method for manufacturing the same | Hiroshi Hatayama, Takashi Ikemoto | 2014-01-14 |
| 6506870 | Polycarbonate resin for use in the production of a substrate for an optical information medium | Hiroshi Hachiya | 2003-01-14 |