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Masaaki Matsukawa

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
📍 Hikone, JP: #113 of 328 inventorsTop 35%
Overall (All Time): #1,559,942 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7916214 Picture display system for adjusting image quality of a picture signal having higher number of scanning lines Katsunobu Kimura, Mitsuo Nakajima, Yoshiaki Mizuhashi, Haruki Takata 2011-03-29
7512321 Video recording/playback system and method for generating video data capable of providing information for substituting an advertisement thereby Yasutaka Tsuru, Mitsuo Nakajima, Yoshiaki Mizuhashi, Katsunobu Kimura 2009-03-31
4914473 Multiple-exposure apparatus in a graphic arts copying machine of a slit-exposure type Eiji Miyasaka, Yoshio Sugimoto, Masayuki Handa, Morihiro Takeda 1990-04-03