Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691539 | Non-aqueous secondary battery having increased discharge capacity retention | Toshikazu Hamamoto, Koji Abe, Yasuo Matsumori | 2010-04-06 |
| 6866966 | Non-aqueous secondary battery having enhanced discharge capacity retention | Toshikazu Hamamoto, Koji Abe, Yasuo Matsumori, Akira Ueki | 2005-03-15 |
| 6699998 | Non-aqueous electrolyte and lithium secondary battery using the same | Toshikazu Hamamoto, Koji Abe, Yasuo Matsumori | 2004-03-02 |
| 6656642 | Non-aqueous electrolytic solution and lithium secondary battery | Toshikazu Hamamoto, Akira Ueki, Koji Abe | 2003-12-02 |
| 6479191 | Electrolyte having alkyne derivative and lithium secondary battery using the same | Toshikazu Hamamoto, Koji Abe, Yasuo Matsumori, Akikazu Ito | 2002-11-12 |
| 6436582 | Non-aqueous electrolyte and lithium secondary battery using the same | Toshikazu Hamamoto, Koji Abe, Yasuo Matsumori | 2002-08-20 |
| 6413678 | Non-aqueous electrolyte and lithium secondary battery using the same | Toshikazu Hamamoto, Akira Ueki, Koji Abe | 2002-07-02 |
| 6413677 | Lithium secondary battery electrolyte and lithium secondary battery using the same | Toshikazu Hamamoto, Koji Abe, Yasuo Matsumori, Kazuhiro Miyoshi, Akira Ueki | 2002-07-02 |
| 6269185 | Image processing apparatus and image forming apparatus | — | 2001-07-31 |
| 6139991 | Electrolyte solution for lithium secondary battery and lithium secondary battery using the same | Toshikazu Hamamoto, Atsuo Hitaka, Yukio Nakada, Koji Abe | 2000-10-31 |
| 4806987 | Projection-exposing apparatus | Takashi Mori, Koichi Matsumoto, Masaichi Murakami, Kyoichi Suwa | 1989-02-21 |