Katsuaki Tomita

SS Sanwa Shutter: 1 patents #17 of 45Top 40%

TA Tachikawa: 1 patents #13 of 42Top 35%

Overall (All Time): #1,273,910 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6457508	Sunshade roll screen	—	2002-10-01
6059007	Rolling screen	—	2000-05-09
5707455	Automated cleaning method of exterior wall of building	—	1998-01-13
4538662	Window having double-glazed sliding doors and blinds	—	1985-09-03