Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7162902 | Method for drawing brass-plated steel wire | Tadasi Honna, Hisakatsu Hara | 2007-01-16 |
RO
Ryuzo Oosawa
Overall (All Time): #3,375,415 of 4,157,543Top 85%
1
Patents All Time