JK

Juniti Koyano

RC Riken Keiki Co.: 2 patents #8 of 35Top 25%
Overall (All Time): #2,205,322 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6606897 Portable gas detector and its cradle Shuji Tajima, Masahide Kitamura 2003-08-19
D447974 Portable gas detector-alarm Shuji Tajima, Masahide Kitamura 2001-09-18