Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4653684 | Welding material for austenite stainless steel having high Si content and method of application | Masahiro Aoki, Noriyasu Ikeda, Masayoshi MIKI, Masaaki Nagayama | 1987-03-31 |
| 4585479 | Welding material of ferrite-austenite two-phase stainless steel and method of application | Masahiro Aoki, Takeshi Yoshida, Noriyasu Ikeda, Masanori Takahashi, Masao Okubo +1 more | 1986-04-29 |
| 4279648 | High silicon chromium nickel steel for strong nitric acid | Naoya Ito, Takeshi Yoshida, Masahiro Aoki, Masao Okubo, Masayoshi MIKI | 1981-07-21 |