HK

Hiroshi Katayama

Fujitsu Limited: 2 patents #488 of 3,370Top 15%
HI Hitachi: 2 patents #622 of 3,771Top 20%
Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #9,210 of 270,089Top 4%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6825581 Linear motor and production method therefor Kim Houng Joong, Kohji Maki 2004-11-30
6704415 Echo canceler Yasushi Yamazaki, Hitoshi Matsuzawa, Yoshihiro Tomita, Mutsumi Saito, Hisanari Kimura 2004-03-09
6701292 Speech recognizing apparatus Chiharu Kawai, Takehiro Nakai 2004-03-02
6696812 Control apparatus for electric motor Satoru Kaneko, Ryoso Masaki, Yasuo Morooka, Mitsuyuki Hombu 2004-02-24
6693977 Portable radio device with direct conversion receiver including mixer down-converting incoming signal, and demodulator operating on downconverted signal Katsuaki Abe, Yasumi Imagawa 2004-02-17