Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532160 | Switching power supply | Masahiko Hirokawa, Yasuhiro Murai | 2003-03-11 |
| 6519933 | Internal combustion engine having variable valve control system and NOx catalyst | Makoto Ogiso, Shouji Katsumata, Kazuhiko Shiratani, Keiji Yoeda, Hideyuki Nishida +3 more | 2003-02-18 |