YK

Yasutaka Koga

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
SO Sony: 2 patents #12,963 of 25,231Top 55%
AD Arc Design: 1 patents #3 of 5Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
IC Ibiden Co.: 1 patents #451 of 730Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #507,398 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10479603 Control system Le Anh Hoang 2019-11-19
10294163 SiC-coated carbon composite material Masatoshi Okuda 2019-05-21
9190460 Organic light emitting device and display unit including the same Seiichi Yokoyama, Atsuya Makita, Eiji Hasegawa, Jiro Yamada, Hirohisa Shirai +1 more 2015-11-17
8963170 Organic light emitting device and display unit including the same Seiichi Yokoyama, Atsuya Makita, Eiji Hasegawa, Jiro Yamada, Hirohisa Shirai +1 more 2015-02-24
D710444 Interactive whiteboard Akira Momose 2014-08-05
D694237 Digital pen Akira Momose 2013-11-26
7660653 Car navigation system 2010-02-09
7009781 Zoom lens mechanism partly foldable and retractable Atsushi Oshima, Akira Yamazaki 2006-03-07
5737183 Compact portable computer having a riser that forms when a cover is opened Makoto Kobayashi 1998-04-07
5703626 Portable electric apparatus using a pen member for inputting information Masashi Itoh 1997-12-30