Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629110 | Method for producing cathode active material for non-aqueous electrolyte secondary battery | Shigeo Kobayashi, Kazuhiro Okamura, Hiromi Okuno | 1997-05-13 |
| 5626635 | Processes for making positive active material for lithium secondary batteries and secondary batteries therefor | Kazuhiro Okamura, Yoshiaki Nitta | 1997-05-06 |