YY

Yoshifumi Yanagawa

Sumitomo Electric Industries: 21 patents #970 of 21,551Top 5%
Microsoft: 11 patents #3,859 of 40,388Top 10%
SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #174,407 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
8935242 Optimizing media player memory during rendering Kevin Leigh LaChapelle, Ian Cameron Mercer, Nobuyasu Takeguchi, Toshihiko Mizukami, Chiyoko Matsumi +3 more 2015-01-13
8886685 Navigating media content by groups Ian Cameron Mercer, Kevin Leigh LaChapelle, Harutoshi Miyamoto, Nobuyasu Takeguchi, Chiyoko Matsumi 2014-11-11
8738615 Optimizing media player memory during rendering Kevin Leigh LaChapelle, Ian Cameron Mercer, Nobuyasu Takeguchi, Toshihiko Mizukami, Chiyoko Matsumi +3 more 2014-05-27
8280920 Navigating media content by groups Ian Cameron Mercer, Kevin Leigh LaChapelle, Harutoshi Miyamoto, Nobuyasu Takeguchi, Chiyoko Matsumi 2012-10-02
7991803 Navigating media content by groups Ian Cameron Mercer, Kevin Leigh LaChapelle, Harutoshi Miyamoto, Nobuyasu Takeguchi, Chiyoko Matsumi 2011-08-02
7680814 Navigating media content by groups Ian Cameron Mercer, Kevin Leigh LaChapelle, Harutoshi Miyamoto, Nobuyasu Takeguchi, Chiyoko Matsumi 2010-03-16
7647297 Optimizing media player memory during rendering Kevin Leigh LaChapelle, Ian Cameron Mercer, Nobuyasu Takeguchi, Toshihiko Mizukami, Chiyoko Matsumi +3 more 2010-01-12
7590659 Adaptive menu system for media players Ian Cameron Mercer, Kevin Leigh LaChapelle, Harutoshi Miyamoto, Chiyoko Matsumi, Nobuyasu Takeguchi +1 more 2009-09-15
7136874 Adaptive menu system for media players Ian Cameron Mercer, Kevin Leigh LaChapelle, Harutoshi Miyamoto, Chiyoko Matsumi, Nobuyasu Takeguchi +1 more 2006-11-14
7080399 Network control system, and controller, target and consumer for use in the network control system Hiroyuki Iitsuka 2006-07-18
7054888 Optimizing media player memory during rendering Kevin Leigh LaChapelle, Ian Cameron Mercer, Nobuyasu Takeguchi, Toshihiko Mizukami, Chiyoko Matsumi +3 more 2006-05-30
7043477 Navigating media content via groups within a playlist Ian Cameron Mercer, Kevin Leigh LaChapelle, Harutoshi Miyamoto, Nobuyasu Takeguchi, Chiyoko Matsumi 2006-05-09
6844886 Network control system Seiichi Suzuki 2005-01-18
6769034 Virtual AV network building device, virtual AV network building method, and recorded medium on which program concerning virtual AV network building method is recorded Takahiko Nanko, Hiroyuki Iitsuka, Masazumi Yamada 2004-07-27
6745252 Network control system, controller, and device Hidetoshi Takeda 2004-06-01
6667992 Network control system 2003-12-23
6456892 Data driven interaction for networked control of a DDI target device over a home entertainment network Joseph Alexander Dara-Abrams, Harold Aaron Ludtke, Thomas Edward Birmingham, Neil Matthews, Wim Bronnenberg 2002-09-24
6424482 System for recording and reproducing data having scheme for minimizing variation in record track width when recording at different data rates Tadashi Kunihira, Masahiro Motosugi, Akihiro Takeuchi, Masaaki Kobayashi, Katsumi Gotoh +2 more 2002-07-23
6178288 Reproduction device Tadashi Kunihira 2001-01-23
6154332 System for recording and reproducing data having scheme for minimizing variation in record track width when recording at different data rates Tadashi Kunihira, Masahiro Motosugi, Katsumi Gotoh 2000-11-28
6141487 Data recording/reproducing apparatus and method for high speed play Tadashi Kunihira, Makoto Goto, Akira Iketani, Akihiro Takeuchi, Masazumi Yamada +2 more 2000-10-31
5590007 Magnetic head driving apparatus having a magnetic head which is immune to the influence of a magnetic circuit Tadashi Kunihira 1996-12-31
5444581 Rotary head for use in a magnetic recordiang and reproducing apparatus wihich includes height adjuster Tadashi Kunihira 1995-08-22
5402279 Tracking apparatus for helical scan video tape recorders Tadashi Kunihira, Hiroshi Mitani 1995-03-28