YK

Yasutaka Kashiki

OL Olympus: 5 patents #926 of 3,097Top 30%
OI Olympus Imaging: 3 patents #113 of 341Top 35%
OC Olympus Optical Co.: 3 patents #953 of 2,334Top 45%
Overall (All Time): #466,233 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8582212 Zoom lens, and imaging apparatus incorporating the same Yasuji Ogata, Yasuharu Yamada, Toshio Takahashi, Toyoki Kon 2013-11-12
8169714 Two-unit zoom lens system and image pickup apparatus using the same Akiyoshi Tochigi, Eiji Shirota 2012-05-01
7738184 Zoom lens and imaging apparatus incorporating the same Yasuharu Yamada 2010-06-15
7199943 Wide-angle zoom lens 2007-04-03
7173770 Zoom lens and imaging apparatus using the same 2007-02-06
6940657 Zoom lens 2005-09-06
6781769 Small-sized three-unit zoom lens 2004-08-24
6701072 Three-lens-unit zoom optical system Eiji Shirota 2004-03-02
6459536 Zoom lens system, and image pickup system using the same 2002-10-01
6084720 Small-sized real image mode zoom finder 2000-07-04
6044229 Real image mode finder optical system Hidayasu Takato 2000-03-28