MK

Masaaki Kawaguri

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,599,879 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE38841 Shower bath apparatus and spray nozzle Hiroaki Yoshida, Shigeru Shirai, Kazushige Kawahara, Masaaki Inagi, Masaki Yamamoto +1 more 2005-10-25
6920654 Water shower apparatus Masao Noguchi, Akihiko Nakashima, Shigeru Shirai, Satoshi Furuta 2005-07-26
6195814 Shower bath apparatus and spray nozzle Hiroaki Yoshida, Shigeru Shirai, Kazushige Kawahara, Masaaki Inagi, Masaki Yamamoto +1 more 2001-03-06