Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9748805 | Generator | Takaitsu Kobayashi | 2017-08-29 |
| 9608505 | Linear power generator | Takaitsu Kobayashi | 2017-03-28 |
| 7116028 | Motor utilizing basic factor and having generator function | — | 2006-10-03 |
| 6518681 | Motor utilizing basic factor and having generator function | — | 2003-02-11 |
| 6369479 | Hybrid-type magnet and stepping motor including same | Yasuzumi Ochiai, Yoshitake Nishi, Kazuya Oguri, Hiroyuki Makabe | 2002-04-09 |
| 6051902 | Magnetic attraction driving engine using permanent magnet | Keiichiro Asaoka | 2000-04-18 |
| 5886442 | Magnetic attraction driving engine using permanent magnet | Keiichiro Asaoka | 1999-03-23 |
| 5804901 | Energy conversion device using permanent magnets | Keiichiro Asaoka | 1998-09-08 |