KT

Keiichi Totsuka

SO Sony: 32 patents #1,052 of 25,231Top 5%
Overall (All Time): #174,781 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D707744 Portable digital camera Naoto Shimizu 2014-06-24
D695330 Portable digital camera Naoto Shimizu 2013-12-10
D670287 Digital reader Naoto Shimizu, Isamu Arie 2012-11-06
D670293 Digital reader cover Naoto Shimizu, Isamu Arie, Yasushi Ezure, Takayuki Kitahara, Junghee Yeo +2 more 2012-11-06
8102333 Display device securing mechanism and display system that rotates display devices around a rotational axis Tetsujiro Kondo, Haruo Oba, Junichiro Sakata, Yasushi Tatehira, Naohide Yamada +2 more 2012-01-24
8074242 System and method for information supply and apparatuses therefor Toshimichi Nagashima, Yukinari Takashima 2011-12-06
7493636 Method and apparatus for providing electronic coupons Tadamasa Kitsukawa, Andrew Proehl, Gong Szedo 2009-02-17
7225457 Information supply apparatus, information utilization apparatus, information manipulation apparatus, information supply system, information supply method, information utilization method and recording medium Toshimichi Nagashima, Yukinari Takashima 2007-05-29
7202773 Authentication information communication system and method, portable information processing device and program furnishing medium Haruo Oba, Junichi Rekimoto, Nubuyuki Matsushita, Chisato Numaoka 2007-04-10
7181024 Portable audio listening apparatus Haruo Oba, Shigeru Tajima, Chisato Numaoka 2007-02-20
6282713 Method and apparatus for providing on-demand electronic advertising Tadamasa Kitsukawa, Andrew Proehl, Gong Szedo 2001-08-28
6262763 Actual size image display Tadamasa Kitsukawa 2001-07-17
6222809 Compact disc player with lid for displaying compact disc jacket art Takahiro Tsuge 2001-04-24
D400201 Television receiver Takahiro Tsuge 1998-10-27
D399845 Loudspeaker with removable grille cloth Knut T. Fenner, Richard Gioscia 1998-10-20
D392974 Subwoofer loudspeaker Knut T. Fenner, Richard Gioscia 1998-03-31
D392976 Combined loudspeaker and stand with subwoofer Knut T. Fenner, Richard Gioscia 1998-03-31
D392973 Combined loudspeaker and stand Knut T. Fenner, Richard Gioscia 1998-03-31
5457448 Self-standing mini remote commander Richard Gioscia 1995-10-10
D342947 Radio tuner 1994-01-04
D342520 Combined radio tuner and clock 1993-12-21
D327269 Radio receiver Takashi Sogabe 1992-06-23
D321513 Combined tape player and radio tuner Takashi Sogabe 1991-11-12
D308202 Television receiver Teiyu Gotoh, Ira Diamond 1990-05-29