Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479866 | Gas sensor with sensitive element enclosed in perforated hood | Kohki Sone, Hatsuo Nagaishi, Kenji Okamura, Yoshitaka Kitagasaki | 1984-10-30 |
| 4213430 | Spark-ignition internal combustion engine capable of reducing noxious constituents in exhaust gases | Teruo Aoki | 1980-07-22 |