Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451748 | EGR cooler system | Takuya Nigoro, Tatsuhisa Yokoi, Akiyuki Iemura, Seiji Sasaki, Ryouhei Kusunoki +1 more | 2008-11-18 |
| 6205675 | Dehydration machine | Takefumi Ide | 2001-03-27 |
| 5771718 | Concentrated washing machine | Takefumi Ide | 1998-06-30 |
| 5687923 | Gradual pressure applying type de-inking device for paper material | Takefumi Ide | 1997-11-18 |
| 5166542 | Signal converter for converting analog signal into pulse signal and control system using the same | Kunihiro Matsubara | 1992-11-24 |
| 4456840 | Comparator circuit | Hiromu Iwamoto | 1984-06-26 |