Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442809 | Combustion chamber of an internal combustion engine with an accumulation chamber | Hidetaka Nohira, Sumio Ito | 1984-04-17 |
| 4401072 | Combustion chamber of a compression-ignition type internal combustion engine | Sumio Ito, Teruo Kumai, Toshio Tanahashi | 1983-08-30 |
| 4282845 | Internal combustion engine with exhaust gas accumulation chamber | Hidetaka Nohira, Sumio Ito | 1981-08-11 |
| 4230073 | Combustion chamber of an internal combustion engine | Hidetaka Nohira, Sumio Ito, Teruo Kumai | 1980-10-28 |
| 4223645 | Combustion chamber of an internal combustion engine | Hidetaka Nohira, Sumio Ito, Teruo Kumai | 1980-09-23 |
| 4210105 | Internal combustion engine injected accumulation chamber | Hidetaka Nohira, Sumio Ito | 1980-07-01 |