Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465135 | Polymeric solid electrolyte and electrochemical element using the same | Naoto Nishimura, Naoto Torata | 2002-10-15 |
| 6379644 | Process for producing a positive electrode active material for a nonaqueous secondary battery and a nonaqueous secondary battery using the active material | Naoto Torata, Toyoshi Iida, Tetsushi Makino, Shigeyuki Hamano, Tomohiko Inada | 2002-04-30 |
| 6344294 | Process for preparing a positive electrode active material for a nonaqueous secondary battery by forming an oxalate precipitate | Naoto Torata | 2002-02-05 |