Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632572 | Lithium secondary battery | Zensaku Yasutake, Koji Abe, Akira Ueki, Toshikazu Hamamoto | 2003-10-14 |
| 6630256 | Magnetic recording medium comprising a non-magnetic layer having inorganic particles of specific size and distribution | Masaki Suzuki, Toshihiko Miura, Hiroaki Takano | 2003-10-07 |
| 6614754 | Bi-directional line switched ring network system | Keiji Usuba, Mitsunobu Kimura, Seigo OBAYASHI, Takashi Mori | 2003-09-02 |
| 6521379 | Non-aqueous electrolyte secondary cell with a lithium cobalt oxide positive electrode | Nobumichi Nishida, Takuya Morimoto | 2003-02-18 |