Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4606111 | Method of manufacturing undetachable flange joint | Yoichiro Okazaki | 1986-08-19 |
| 4454644 | Method of making a clamp | Yoichiro Okazaki | 1984-06-19 |
SA
Shigeaki Akazawa
Mitsubishi Mining: 2 patents #467 of 2,247Top 25%
Overall (All Time): #2,349,400 of 4,157,543Top 60%
2
Patents All Time