Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11787001 | Spindle device for machine tool | Takeshi Kawada, Kazumasa Kono | 2023-10-17 |
| 8879259 | Cooling system for onboard electrical power converter, and electrical power converter for railway vehicle | Osamu Suzuki, Keisuke Horiuchi, Tomoo Hayashi, Atsuo Nishihara, Sunao Funakoshi | 2014-11-04 |
| 8860213 | Power converter | Tsutomu Kominami, Mami Kunihiro, Katsumi Ishikawa, Sunao Funakoshi | 2014-10-14 |
| 7957145 | Electric power converter | Osamu Suzuki, Sunao Funakoshi, Keisuke Horiuchi, Atsuo Nishihara | 2011-06-07 |