TI

Takekazu Iijima

Pioneer: 26 patents #25 of 1,730Top 2%
Pioneer Electronic: 4 patents #477 of 1,840Top 30%
Overall (All Time): #125,586 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
D715264 Digital audio player with a wireless connection and mixing function 2014-10-14
D677247 Volume adjuster Naho Hatagishi, Junichi Tanaka 2013-03-05
D668636 Device for mixing sounds of musical instruments 2012-10-09
D666173 Controller for digital audio player Takahiro Kuramoto 2012-08-28
D666172 Controller for digital audio player Takahiro Kuramoto 2012-08-28
D616410 Digital audio disk player with mixing functions Toshiyuki Sonoda 2010-05-25
D593544 Audio mixer Yuki Iida, Toshiyuki Sonoda, Yoshinori Nakatsuka 2009-06-02
D583798 Digital audio disk player with acoustic mixer Washin Boku 2008-12-30
D555637 Device for mixing sounds of musical instruments Hideaki Ishizaki 2007-11-20
D555638 Device for mixing sounds of musical instruments Hideaki Ishizaki 2007-11-20
D493445 Speaker Koji Nakane, Junichi Tanaka 2004-07-27
D493161 Speaker Koji Nakane, Junichi Tanaka 2004-07-20
D487738 Speaker Yumi Takigami 2004-03-23
D472545 Speaker Yumi Takigami, Koji Nakane 2003-04-01
D284369 Automobile combined stereo receiver and cassette tape player Hitoshi Nakamura, You Takagi, Shu Takahara 1986-06-24
D281596 Loudspeaker 1985-12-03
D276153 Loudspeaker 1984-10-30
D273106 Loudspeaker 1984-03-20
D270909 Loudspeaker 1983-10-11
D269870 Loudspeaker 1983-07-26
D268673 Loudspeaker 1983-04-19
4365113 Speaker unit for automotive vehicles Hiroshi Soma, Makoto Iyobe, Yutaka Moriyama 1982-12-21
D266510 Amplifier 1982-10-12
D266324 Loudspeaker 1982-09-28
D265732 Loudspeaker 1982-08-10