Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391325 | Positive electrode active material, production method thereof and non-aqueous electrolyte secondary battery | Hiroshi Yoshizawa, Masatoshi Nagayama, Hizuru Koshina | 2016-07-12 |
| 8673505 | Non-aqueous electrolyte secondary battery | Hiroshi Yoshizawa | 2014-03-18 |
| 8658125 | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2014-02-25 |
| 8349287 | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2013-01-08 |
| 8241790 | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2012-08-14 |
| 8153297 | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2012-04-10 |
| 8137847 | Active material for non-aqueous electrolyte secondary battery and manufacturing method therefore | Hiroshi Yoshizawa, Kensuke Nakura | 2012-03-20 |
| 7939200 | Non-aqueous electrolyte secondary battery | Hiroshi Yoshizawa, Kensuke Nakura | 2011-05-10 |
| 7935443 | Lithium nickel-manganese-cobalt oxide positive electrode active material | Hiroshi Yoshizawa, Masatoshi Nagayama | 2011-05-03 |
| 7816036 | Positive electrode active material and non-aqueous electrolyte secondary cell comprising the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2010-10-19 |
| 7722989 | Non-aqueous electrolyte secondary battery with a positive active material comprising primary particles and secondary particles made of the primary particles | Hiroshi Yoshizawa, Kensuke Nakura | 2010-05-25 |
| 7718318 | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2010-05-18 |
| 7682747 | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2010-03-23 |
| 7670723 | Positive electrode active material, production method thereof and non-aqueous electrolyte secondary battery | Hiroshi Yoshizawa, Masatoshi Nagayama | 2010-03-02 |
| 7592100 | Positive-electrode active material and nonaqueous-electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2009-09-22 |
| 7579114 | Method of preparing positive electrode active material | Hiroshi Yoshizawa, Masatoshi Nagayama | 2009-08-25 |
| 7541114 | Anode active material, manufacturing method thereof, and non-aqueous electrolyte secondary battery | Hiroshi Yoshizawa, Masatoshi Nagayama, Hizuru Koshina | 2009-06-02 |
| 6551744 | Positive electrode active material and non-aqueous electrolyte secondary battery containing the same | Hiroshi Yoshizawa, Masatoshi Nagayama | 2003-04-22 |