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Yasuji Yui

SO Sony: 18 patents #2,315 of 25,231Top 10%
Overall (All Time): #240,908 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8239320 Electronic money apparatus and an electronic circuit Satoru Suzuki 2012-08-07
7904390 Management system and management method for charging object apparatus, management apparatus and charging object apparatus 2011-03-08
7613922 Electronic device controlling apparatus, electronic device controlling system, and electronic device controlling method Hiroyuki Matsumura, Akira Yaegashi 2009-11-03
7580889 Electronic apparatus, charging system and method, charge processing device, storage medium, and prepaid card Satoru Suzuki 2009-08-25
7577571 Electronic apparatus, time period charging system, time period charging method, and charging management system for electronic apparatus 2009-08-18
7482922 Electronic device controlling apparatus and electronic device controlling method Hiroyuki Matsumura, Akira Yaegashi 2009-01-27
7212114 Communication apparatus Hiroyuki Matsumura, Akira Yaegashi 2007-05-01
7183894 Communication system for accessing shared entrance of multiple dwelling house Hiroyuki Matsumura, Akira Yaegashi 2007-02-27
6972680 Electronic device controlling apparatus and electronic device controlling method Hiroyuki Matsumura, Akira Yaegashi 2005-12-06
6039431 Printer head cleaning device for ink jet printer Toshiki Kagami 2000-03-21
5544965 Printer Hitoshi Kamoda, Tomohiro Maekawa, Shin Iima, Takashi Bunya 1996-08-13
5531527 Apparatus and method for video printing Tomohiro Maekawa, Hitoshi Kamoda, Shin Iima, Takashi Bunya 1996-07-02
5447382 Apparatus and method for printing Tomohiro Maekawa, Hitoshi Kamoda, Shin Iima, Takashi Bunya 1995-09-05
5385416 Device for identifying an ink ribbon cartridge used in a printer Tomohiro Maekawa, Hitoshi Kamoda 1995-01-31
5290114 Ink ribbon unit and ink ribbon cassette Shoziro Asami 1994-03-01
4987047 Imaging sheet roll containing photosensitive microcapsules Akira Shirakura 1991-01-22
4945382 A printer for printing a certain image on a sheet of developing paper Akio Hitachi, Tatsuru Sato, Akira Shirakura 1990-07-31
4914463 Development of imaging sheets employing photosensitive microcapsules Akio Hitachi, Tatsuru Sato, Akira Shirakura 1990-04-03
4885601 Apparatus for developing imaging sheets employing photosensitive microcapsules 1989-12-05