Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5984649 | Air curtain fan with heating elements | Yasuhiro Kato, Yutaka Ito | 1999-11-16 |
| 5788568 | Fan | Yutaka Ito, Yasuhiro Kato, Shinichiro Suzuki | 1998-08-04 |
HM
Hisayuki Matsuzawa
Overall (All Time): #2,254,805 of 4,157,543Top 55%
2
Patents All Time