RK

Ryoichi Koizumi

Canon: 2 patents #487 of 2,200Top 25%
Overall (1997): #25,149 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5696543 Recording head which detects temperature of an element chip and corrects for variations in that detected temperature, and cartridge and apparatus having such a head Yasutomo Watanabe 1997-12-09
5638097 Recording apparatus to which recording head is detachably mounted Yoshiaki Takayanagi, Asao Saito, Hirokazu Ikeda 1997-06-10