Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409984 | Spinel-type lithium manganese complex oxide for a cathode active material of a lithium secondary battery | Yasuhisa Yamashita | 2002-06-25 |
| 6399248 | Spinel type lithium manganese complex oxide and lithium secondary battery | — | 2002-06-04 |
| 6270924 | Lithium secondary battery | Yasuhisa Yamashita | 2001-08-07 |
| 6270926 | Lithium secondary battery | Yasuhisa Yamashita | 2001-08-07 |
| 6255020 | Lithium secondary battery | Yasuhisa Yamashita, Yukio Sakabe | 2001-07-03 |
| 6199430 | Acceleration sensor with ring-shaped movable electrode | Kazuhiko Kano, Yoshinori Ohtsuka, Makiko Sugiura, Minekazu Sakai, Inao Toyoda +3 more | 2001-03-13 |
| 6187282 | Manufacturing method of lithium complex oxide comprising cobalt or nickel | Yasuhisa Yamashita, Yukio Sakabe | 2001-02-13 |
| 5993367 | Method and system for the determination of a quality of bonded area in a boxmaking blank | Yasuyuki Baba, Yasunari Suzuki | 1999-11-30 |
| 5980786 | Method for producing a complex oxide used as a cathode active material of a lithium secondary battery | Yasuhisa Yamashita | 1999-11-09 |