NK

Naohiro Katayama

KC Kobelco Construction Machinery Co.: 1 patents #243 of 422Top 60%
SC Sawafuji Electric Co.: 1 patents #43 of 108Top 40%
Overall (All Time): #2,150,402 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7431383 Construction machine and method for manufacturing the same Takayuki Okunishi 2008-10-07
4320448 Vibrating compressor Yukio Okuda, Tosio Izumi 1982-03-16