Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776023 | Method and implement for opening hole in soft material | — | 2010-08-17 |
| D336918 | Printer | Midori Yonezawa, Toshiya Yoshida, Masaharu Sawatani | 1993-06-29 |
YH
Yutaka Hatayama
Arkray: 1 patents #203 of 354Top 60%
Overall (All Time): #2,125,614 of 4,157,543Top 55%
2
Patents All Time