Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002231 | Intake device for internal combustion engine | Tadashi IBARAGI, Kazuaki Nakayama, Ako Itoh, Toshiyuki Kondo | 2021-05-11 |
| 8783223 | Oil pan | Yukio Koseki, Motoichi Murakami, Norio Inami | 2014-07-22 |
| 8556514 | Sliding support structure for shaft member | Motoichi Murakami, Shoji Miyazaki, Yoshiki Ariizumi, Naoto Koyamaishi, Shuzou Sanda +3 more | 2013-10-15 |
| 8499750 | Oil mist separator for internal combustion engine | Naoto Koyamaishi, Tetsushi Suzuki, Motoichi Murakami, Norio Inami | 2013-08-06 |