SW

Shigemi Watanabe

KC Kankyo Co.: 2 patents #5 of 7Top 75%
Overall (All Time): #2,177,947 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6863715 Method for cleaning air and apparatus therefor, and method for humidifying air and apparatus therefor Hidetoshi Ike, Yasushi Ishikawa, Kazunari Kakuta 2005-03-08
6663695 Apparatus for cleaning air and for humidifying air Hidetoshi Ike, Yasushi Ishikawa, Kazunari Kakuta 2003-12-16