YK

Yutaka Kamijo

PE Pentax: 5 patents #279 of 761Top 40%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
Overall (All Time): #883,798 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6252223 Rotary encoder having a disk with a conductive pattern 2001-06-26
6021006 Optical system having composite prism Etsuro Nishio, Isamu Hirai 2000-02-01
5969869 Prism Isamu Hirai, Etsuro Nishio 1999-10-19
5915134 Switching device with DX contacts for a camera Akihiro Arai 1999-06-22
5839010 Switch with locking resilient tabs Akihiro Arai 1998-11-17
5678107 Switching device for a camera Akihiro Arai 1997-10-14