Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5765877 | Pipe joint | Hideto Sakane, Nobuyuki Okuda, Makoto Saito, Koichi Inoue | 1998-06-16 |
| 5725257 | Pipe joint | Hideto Sakane, Nobuyuki Okuda, Koichi Inoue | 1998-03-10 |
HY
Hisayuki Yagi
Showa Aluminum: 1 patents #122 of 253Top 50%
Overall (All Time): #2,258,161 of 4,157,543Top 55%
2
Patents All Time