SU

Sawako Usuki

Sumitomo Electric Industries: 21 patents #970 of 21,551Top 5%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #198,145 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
7536211 Speaker system, mobile terminal device, and electronic device Shuji Saiki, Shuhei Konishi 2009-05-19
7382890 Sound reproduction device and portable terminal apparatus Shuji Saiki 2008-06-03
7231058 Electroacoustic transducer and electronic apparatus Shuji Saiki 2007-06-12
7212648 Loudspeaker system in which a diaphragm panel is driven by an electromechanical acoustic converter Shuji Saiki 2007-05-01
7194287 Electric-mechanical-acoustic-transducer and portable communication device including the same Shuji Saiki 2007-03-20
7187779 Electromagnetic transducer and portable communication device Shuji Saiki 2007-03-06
7120264 Sound reproducing apparatus Shuji Saiki 2006-10-10
7106878 Speaker and mobile terminal device Shuji Saiki 2006-09-12
7085394 Electro-acoustic transducer and electronic device Shuji Saiki 2006-08-01
7050600 Speaker system, mobile terminal device, and electronic device Shuji Saiki, Shuhei Konishi 2006-05-23
7006641 Driving circuit, electro-mechanical-acoustic transducer, and portable terminal apparatus Shuji Saiki 2006-02-28
6920957 Loudspeaker diaphragm Shuji Saiki 2005-07-26
6920230 Electromagnetic transducer and portable communication device Shuji Saiki 2005-07-19
6856691 Electronic apparatus including loudspeaker system Shuji Saiki, Tetsuo Murakami 2005-02-15
6671383 Electromagnetic transducer and portable communication device Shuji Saiki 2003-12-30
6658133 Electromagnetic transducer and portable communicating device Shuji Saiki 2003-12-02
6600400 Electromagnetic electro-acoustic transducer Kimihiro Andou, Mitsutaka Enomoto, Masaki Suzumura, Katsuhiko Minaga, Shuji Saiki 2003-07-29
6259935 Electro-mechanical-acoustic transducing device Shuji Saiki, Kazue Sato, Mitsukazu Kuze 2001-07-10
6208237 Electro-mechanical and acoustic transducer for portable terminal unit Shuji Saiki, Mitsukazu Kuze 2001-03-27
5073946 Thin speaker having an enclosure with an open portion and a closed portion Katsuaki Satoh, Kazue Sato, Kousaku Murata, Tsuneo Tanaka, Shuji Saiki +6 more 1991-12-17
4899390 Thin speaker having an enclosure within an open portion and a closed portion Hiroyuki Takewa, Mitsuhiko Serikawa, Seiichi Ishikawa, Yoichi Kimura, Shuichi Obata 1990-02-06
4868357 Microwave heating appliance for automatically heating an object on the basis of a distinctive feature of the object Mitsuhiko Serikawa, Katsuaki Sato 1989-09-19