Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578164 | Method of electrolytically finishing spray-hole of fuel injection nozzle | Mitsuo Uchiyama | 1986-03-25 |
| 4562807 | Direct injection type internal combustion engine | — | 1986-01-07 |