Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11374423 | Battery charger performing zero-crossing control | Shigeki Kakumoto | 2022-06-28 |
| 7010007 | Light-emitting diode lighting circuit | — | 2006-03-07 |
| 6313725 | Magnetizing method for producing coupled body comprised of multi-pole bulk superconducting magnets with respective polarities varying | Ken Nagashima, Masato Murakami, Takeshi Miyamoto, Osami Tsukamoto | 2001-11-06 |