Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921562 | Welding method and steel plate deck | Noboru Kiji, Masashi Fujiwara, Shigeki Nishiyama, Makoto Ota | 2011-04-12 |
| 7540479 | Vibration damping device | Takehiro Okanaka, Kouichi Maeda | 2009-06-02 |
| 4702218 | Engine intake system having a pressure wave supercharger | Sadashichi Yoshioka, Shigeki Hamada, Humio Hinatase | 1987-10-27 |
| 4640252 | Fuel injection system for diesel engine | Saburo Nakamura, Hirofumi Yamauchi, Masanori Sahara | 1987-02-03 |
| 4604868 | Cleaner control for diesel engine exhaust gases | Yoshitaka Nomoto | 1986-08-12 |
| 4364357 | Air-fuel ratio control system | — | 1982-12-21 |