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USPTO Patent Rankings Data through Dec 31, 2025
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Masataka Ejima — 9 Patents

Panasonic: 8 patents #3,332 of 21,108Top 20%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Osaka, JP: #4,873 of 24,344 inventorsTop 25%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Masataka Ejima has been granted 9 US patents while listed as an inventor at Panasonic. The first was granted in 2008 and the most recent in February 2018. Masataka Ejima ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Masataka Ejima in Osaka, JP.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9894416 Video reception device, information display method, and video reception system Kenji Takita, Mitsuhiro Mori, Hiroyuki Yoshida 2018-02-13
9699520 Video receiving apparatus and method of controlling information display for use in video receiving apparatus Kenji Takita, Hiroyuki Yoshida, Mitsuhiro Mori 2017-07-04
8830362 Image processing apparatus and image processing method for reducing image blur in an input image while reducing noise included in the input image and restraining degradation of the input image caused by the noise reduction Khang Nguyen, Yusuke Monobe 2014-09-09
8204336 Removing noise by adding the input image to a reference image Khang Nguyen, Yusuke Monobe 2012-06-19 $92,000
7907747 Device, method, and recording medium for embedding/detecting a digital watermark Hisashi Inoue, Kenichi Noridomi 2011-03-15 $89,000
7680296 Information embedding device and program for changing a number of points that exist on sides of a polygon Hisashi Inoue, Kenichi Noridomi, Takashi Katsura, Shugo Horikami 2010-03-16 $165,000
7676055 Information-detecting apparatus and method Kenichi Noridomi, Hisashi Inoue 2010-03-09 $208,000
7583850 Image-processing apparatus and method Hisashi Inoue, Kenichi Noridomi 2009-09-01 $349,000
7356700 Digital watermark-embedding apparatus and method, digital watermark-detecting apparatus and method, and recording medium Kenichi Noridomi, Hisashi Inoue, Takashi Katsura 2008-04-08 $494,000