KN

Keiji Nagayama

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Samsung: 1 patents #49,284 of 75,807Top 70%
📍 Hitachinaka, JP: #539 of 2,447 inventorsTop 25%
Overall (All Time): #579,921 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8270816 Information recording and/or playback apparatus Toshiya Mizushima, Yuichi Katano, Yasunori Ohara 2012-09-18
8224151 Apparatus for recording and reproducing digital image and speech Hisashi Inoue, Tomishige Yatsugi 2012-07-17
8009536 Recording and reproducing apparatus Tomishige Yatsugi 2011-08-30
7885515 Recording/reproducing device and recording/reproduction method Yuichi Katano 2011-02-08
7193946 Information recording apparatus and method Kazuto Yoneyama, Junji Shiokawa 2007-03-20
7106954 Digital camcorder Hisashi Inoue, Tomishige Yatsugi 2006-09-12
6876612 Information recording apparatus and method Kazuto Yoneyama, Junji Shiokawa 2005-04-05
6445654 Recording/reproducing method and device with supplementary data storage and output Hiroyuki Hayakawa, Tamotsu Ito, Susumu Yoshida, Akinobu Watanabe, Katsuhiko Tonami 2002-09-03
6226449 Apparatus for recording and reproducing digital image and speech Hisashi Inoue, Tomishige Yatsugi 2001-05-01