MK

Motohiro Kokumai

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
📍 Kokubunji, JP: #302 of 714 inventorsTop 45%
Overall (All Time): #1,057,677 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5311503 Terminal apparatus for full-duplex data transmission having an echo canceller Masaru Kokubo 1994-05-10
5097488 Transmission apparatus and method Masaru Kokubo, Haruo Kamimaki, Hirotaka Hara, Toshiro Suzuki 1992-03-17
5018134 Method for cancelling echo in a transmitter and an apparatus therefor Masaru Kokubo, Tatsuko Shinotsuka, Tatsuya Kameyama, Hirotaka Hara 1991-05-21
4896318 Method for cancelling echo in a transmitter and an apparatus therefor Masaru Kokubo, Tatsuko Shinotsuka, Tatsuya Kameyama, Hirotaka Hara 1990-01-23
4868874 Echo canceller Hiroshi Takatori, Tatsuko Shinozuka 1989-09-19