AH

Atsuo Hamada

SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
Yamaha: 4 patents #621 of 2,001Top 35%
📍 Kasai, JP: #971 of 5,842 inventorsTop 20%
Overall (All Time): #580,063 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8312375 Digital mixer 2012-11-13
8254599 Mixer apparatus and sound signal processing method Kotaro Terada 2012-08-28
8059839 Mixing system Masaru Aiso, Masaaki Okabayashi 2011-11-15
7751577 Mixer apparatus and sound signal processing method Kotaro Terada 2010-07-06
7655060 Dust collection unit for electric vacuum cleaner and upright electric vacuum cleaner Koichi Nakai, Kazumasa Kamatani, Kazuyoshi Yoshimi, Akihiro Yoneyama 2010-02-02
7175682 Electric vacuum cleaner equipped with a dust collection unit Koichi Nakai, Kazumasa Kamatani, Kazuyoshi Yoshimi, Akihiro Yoneyama 2007-02-13
7014675 Electric vacuum cleaner equipped with a dust collection unit Koichi Nakai, Kazumasa Kamatani, Kazuyoshi Yoshimi, Akihiro Yoneyama 2006-03-21
6735818 Upright type electric vacuum cleaner Kazuyoshi Yoshimi, Atsushi Okuda, Naoki Suetsugu 2004-05-18
6192550 Dust-collecting device for vacuum cleaner and upright type vacuum cleaner Kazumasa Kamatani, Kazuyoshi Yoshimi, Atsushi Okuda, Souji Sakata, Naoki Suetsugu +2 more 2001-02-27