Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669228 | System for utilizing exhaust heat of stationary induction apparatus | Takashi Iga, Kaoru Endou, Takashi Shirone | 1997-09-23 |
| 5324886 | Insulating-liquid immersed electrical machine | Ryoji Nakatake, Takeshi Sakamoto | 1994-06-28 |