YK

Yoshimasa Katsumi

PA Panasonic: 4 patents #6,180 of 21,108Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Yokohama, JP: #445 of 480 inventorsTop 95%
Overall (All Time): #1,197,842 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9746197 Bathroom air-conditioner Yoshihiro Nishizuru, Kazuhiro Saitou, Mitunori Matubara, Masafumi Tsubouchi, Yuuji Sugata +1 more 2017-08-29
8539788 Ventilating and air conditioning apparatus Hiroyuki Kondou, Mitunori Matubara, Masafumi Tsubouchi 2013-09-24
8327473 Sauna device Mitsunori MATSUBARA, Yoshihiro Nishizuru, Satoshi Fujii, Bungo Takeuchi 2012-12-11
6148631 Silencer and air conditioner Masahito Watanabe, Yasuki Fujii, Shotaro Ito, Masanori Tanigawa, Yasuhiro Asaida 2000-11-21