KI

Kazuhisa Ishiguro

Ricoh Company: 2 patents #462 of 1,683Top 30%
📍 Shinagawa, JP: #19 of 109 inventorsTop 20%
Overall (2011): #88,090 of 364,097Top 25%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7991371 Automatic gain control apparatus for wireless communication apparatus 2011-08-02
7868695 Differential amplifier Yoshiaki Takahashi 2011-01-11