Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892072 | System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow | Hiromichi Miwa, Hatsuo Nagaishi, Hirokimi Koyama | 1990-01-09 |