KY

Keitaro Yokoyama

OL Olympus: 6 patents #794 of 3,097Top 30%
OI Olympus Imaging: 5 patents #68 of 341Top 20%
Overall (All Time): #455,221 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10606045 Zoom lens and image pickup apparatus using the same Kazuteru Kawamura, Akiko Naito, Toshio Takahashi 2020-03-31
9977227 Zoom lens and image pickup apparatus using the same Kazuteru Kawamura, Akiko Naito, Toshio Takahashi 2018-05-22
9964744 Zoom lens and image pickup apparatus using the same Kazuteru Kawamura, Akiko Naito, Toshio Takahashi 2018-05-08
9638917 Zoom lens and image pickup apparatus using the same Kazuteru Kawamura, Akiko Naito, Toshio Takahashi 2017-05-02
9465204 Zoom lens and image pickup apparatus using the same Kazuteru Kawamura, Akiko Naito, Toshio Takahashi 2016-10-11
9235037 Zoom lens and image pickup apparatus using the same Kazuteru Kawamura, Akiko Naito, Toshio Takahashi 2016-01-12
8988783 Zoom lens and image pickup apparatus equipped with same Yasuji Ogata, Yasuharu Yamada, Akiyoshi Tochigi 2015-03-24
8248716 Imaging optical system, and imaging apparatus incorporating the same Kazuteru Kawamura 2012-08-21
7969658 Eyepiece optical system and electronic view finder incorporating the same Akinori Nishio, Daichi Murakami 2011-06-28
7855837 Viewing optical system and imaging apparatus incorporating the same 2010-12-21
7605983 Viewing optical system, and imaging apparatus comprising the same 2009-10-20