Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10644689 | Transistor drive circuit and motor drive control apparatus | Kohei Shinomiya, Akimasa Niwa, Masahiro Yamamoto, Seiji Nishimoto | 2020-05-05 |
| 9590616 | Drive control device | Takeshi Inoue, Masahiro Yamamoto | 2017-03-07 |
| 8873645 | Information transmission apparatus | Yoshiyuki Hamanaka, Tsuneo Maebara | 2014-10-28 |
| 8487667 | Hybrid power device | — | 2013-07-16 |
| 7816899 | Power conversion device | — | 2010-10-19 |
| 7602915 | Communication system having plurality of nodes sharing a common cipher key, cipher key dispatching apparatus for use in the system, and anti-theft apparatus utilizing information derived from cipher key utilization | — | 2009-10-13 |
| 7461788 | Information reading apparatus and information reading system | — | 2008-12-09 |
| 6556177 | Driver circuit for capacitive display elements | Osamu Katayama | 2003-04-29 |
| 6191967 | Voltage supply device having self-testing circuit | Osamu Katayama, Tetsuo Hirano | 2001-02-20 |
| 4305187 | Method and apparatus for making continuous grids for lead acid batteries | Seiichiro Ikeda | 1981-12-15 |