Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9312569 | Additive for lead-acid battery and lead-acid battery | Shunzo Mase | 2016-04-12 |
| 7160645 | Lead-acid battery having an organic polymer additive and process thereof | Hirofum Hrada, Giym Yoko | 2007-01-09 |
| 5958623 | Electrochemical cell employing a fine carbon additive | Shunzo Mase, Atsushi Sato | 1999-09-28 |
| 5352339 | Method for producing electrolytic manganese dioxide | Kenzo Matsuke | 1994-10-04 |
| 4379817 | Organic solvent-treated manganese dioxide-containing cathodes | — | 1983-04-12 |
| 4285122 | Heat-treated, organic solvent-treated manganese dioxide | — | 1981-08-25 |
| 4252666 | Silver catalyzed manganese dioxide hydrogen gas absorber | Karl Kordesch | 1981-02-24 |
| 4224384 | Silver catalyzed manganese dioxide hydrogen gas absorber | Karl Kordesch | 1980-09-23 |