KS

Kae Shijo

PE Pentax: 1 patents #515 of 761Top 70%
PE Pentax: 1 patents #238 of 396Top 65%
Overall (All Time): #2,187,330 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6690518 Camera-attachment lens system Shinichiro Ishii, Takayuki Ito 2004-02-10
6392820 Optical system of a composite camera Shinichiro Ishii, Takayuki Ito 2002-05-21