Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357830 | Gas flow measuring apparatus | Tokio Kohama, Hisasi Kawai, Hideki Obayashi | 1982-11-09 |
| 4332165 | Gas flow measuring device | Hisasi Kawai, Tokio Kohama, Hideki Obayashi | 1982-06-01 |