Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458488 | Positive electrode activator for lithium secondary battery and lithium secondary battery | Kyoko Honbo, Akihiro Gotoh, Masahiro Kasai, Yasushi Muranaka | 2002-10-01 |
| 6399251 | Lithium secondary battery | Kyoko Honbo, Masahiro Kasai, Akihiro Gotoh | 2002-06-04 |
| 5189386 | Aluminum-stabilized superconductor and superconducting coil, and method of manufacturing the superconductor | Naofumi Tada, Fumio Iida, Ryukichi Takahashi, Naoki Maki, Shuji Sakai | 1993-02-23 |
| 4692560 | Forced flow cooling-type superconducting coil apparatus | Kunishige Kuroda, Hiroshi Kimura, Nobuhiro Hara, Naofumi Tada | 1987-09-08 |