Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645539 | Non-aqueous electrolyte secondary battery | Hizuru Koshina | 2010-01-12 |
| 7615311 | Non-aqueous electrolyte and electrochemical device using the same | Hizuru Koshina | 2009-11-10 |
| 7252689 | Method for fabricating lithium ion secondary battery | Akiko Fujino, Hizuru Koshina | 2007-08-07 |
| 6958198 | Non-aqueous electrochemical apparatus | Kazuya Iwamoto, Takafumi Oura, Kumiko Sonoda, Makino Hatazaki, Hiroshi Yoshizawa | 2005-10-25 |
| 6806004 | Polymeric solid electrolyte and lithium secondary cell using the same | Kazuya Iwamoto, Takafumi Oura, Atsushi Ueda, Hizuru Koshina | 2004-10-19 |
| 6723472 | Lithium secondary battery | Kazuya Iwamoto, Hiroyuki Murai, Kiyomi Kato, Yukishige Inaba, Shoichiro Watanabe +1 more | 2004-04-20 |
| 6723473 | Nonaqueous electrolyte secondary cell | Takafumi Oura, Kazuya Iwamoto, Atsushi Ueda, Hizuru Koshina | 2004-04-20 |
| 6645667 | Lithium secondary cell | Kazuya Iwamoto, Takafumi Oura, Atsushi Ueda, Hizuru Koshina | 2003-11-11 |
| 6630272 | Non-aqueous electrochemical device | Kazuya Iwamoto, Takafumi Oura, Atsushi Ueda, Hizuru Koshina | 2003-10-07 |
| 5798165 | Porous polyurethane sheet | Akinobu Mizoguchi, Toshiyuki Akasawa | 1998-08-25 |
| 5648151 | Porous polyurethane sheet | Akinobu Mizoguchi, Toshiyuki Akasawa | 1997-07-15 |