Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520553 | Methods and system for a battery | — | 2019-12-31 |
| 10338147 | Methods and apparatus for determining a relative state of charge of a battery | — | 2019-07-02 |
| 7786707 | Oscillator circuit | — | 2010-08-31 |
| 7538629 | Oscillator circuit | — | 2009-05-26 |
| 7068114 | Constant current circuit used for ring oscillator and charge pump circuit | — | 2006-06-27 |
| 4968434 | Method for extracting metal ions | Tsugio Kaneko, Fumiya Ishikawa, Toshiharu Shibata | 1990-11-06 |
| 4871464 | Method for extracting metal ions | Tsugio Kaneko, Fumiya Ishikawa, Toshiharu Shibata | 1989-10-03 |
| 4631177 | Method for recovering gallium | Takao Yotsuyanagi | 1986-12-23 |