SS

Seiji Shirahama

PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
📍 Ebeye: #461 of 4,528 inventorsTop 15%
Overall (All Time): #462,549 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9435350 Air blowing device Munetada Satou, Masayuki Takada, Kazuhiro Muromachi 2016-09-06
9033655 Multiblade air blower 2015-05-19
8690529 Blower Yuuri Tanaka, Kazuhiro Taniguchi 2014-04-08
8240997 Centrifugal impeller and centrifugal blower using the centrifugal impeller Hitoshi Yoshikawa 2012-08-14
8235668 Multiblade air blower 2012-08-07
8221069 Multi-blade fan Kazuo Ogino 2012-07-17
8123468 Centrifugal fan Kazuo Ogino, Yasuji Tsubakishita, Akira Sadamoto 2012-02-28
D561323 Centrifugal blower fan 2008-02-05
D561324 Centrifugal blower fan Hitoshi Yoshikawa 2008-02-05
D561325 Centrifugal blower fan Hitoshi Yoshikawa 2008-02-05
D560791 Fan blade 2008-01-29