YK

Yuji Kogure

RC Ricoh Imaging Company: 4 patents #7 of 67Top 15%
HO Hoya: 3 patents #406 of 1,290Top 35%
PE Pentax: 2 patents #187 of 396Top 50%
PC Pentax Ricoh Imaging Company: 1 patents #41 of 74Top 60%
Overall (All Time): #511,266 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9715082 Lens barrel Masahiko Kawamura 2017-07-25
9310669 Camera body, lens barrel and lens-interchangeable camera Makoto Iikawa, Makoto Niwa, Takahiro Kobayashi, Masahiro Inazuka, Ichiro Taguchi +1 more 2016-04-12
9197801 Camera body, lens barrel and lens-interchangeable camera Makoto Iikawa, Makoto Niwa, Takahiro Kobayashi, Masahiro Inazuka, Ichiro Taguchi +1 more 2015-11-24
9134590 Camera body Makoto Iikawa, Makoto Niwa, Takahiro Kobayashi, Masahiro Inazuka, Ichiro Taguchi +1 more 2015-09-15
8508873 Water-resistant structure of a lens barrel Makoto Iikawa, Yuzo Minowa, Toshiyuki Irie 2013-08-13
7802931 Lens accessory mounting device Hiroaki Suzuki 2010-09-28
7782557 Lens position adjusting device Toshiyuki Irie 2010-08-24
7738782 Lens position detector 2010-06-15
7373082 Light shielding structure of a zoom lens barrel Yoshihiro Yamazaki 2008-05-13
7356251 Assembly-stage focus adjustment mechanism of a zoom lens Yoshihiro Yamazaki, Kazunori Ishizuka, Toshiharu Suzuki 2008-04-08