Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107232 | Method for driving internal combustion engine, and air supply device | Atsushi Shimizu, Hirokazu Ohno, Masahiro Tsukamoto | 2018-10-23 |
| 9259688 | Method for reducing nitrogen oxide from internal combustion engine and apparatus therefor | Atsushi Shimizu, Hirokazu Ohno, Masahiro Tsukamoto, Yohsuke Koizumi | 2016-02-16 |