Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363952 | Welding method for stainless steel weld overlay | Keizo Onishi, Takao Adachi, Ryuichi Chiba, Katsuyuki Naitoh, Hachiro Okada | 1982-12-14 |
| 4224360 | Method of welding for exfoliation prevention of stainless steel weld-overlay | Keizo Ohnishi, Takao Adachi, Ryuichi Chiba | 1980-09-23 |