KO

Katsuichi Oyama

NE Ntt Electronics: 10 patents #9 of 358Top 3%
NT NTT: 9 patents #571 of 4,871Top 15%
Overall (All Time): #447,109 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11611395 Adaptive equalization device, adaptive equalization method, and communication device Tomohiro Takamuku, Mitsuteru YOSHIDA, Tsutomu Takeya, Kazuhito Takei, Tomoharu Semboku 2023-03-21
11329764 Error correction device, error correction method, and optical communication system Fumiaki Nakagawa, Yasuharu Onuma, Yasuyuki Endoh, Etsushi Yamazaki, Yoshiaki Kisaka +1 more 2022-05-10
11323238 Frame synchronization apparatus, optical communication apparatus, and frame synchronization method Mitsuteru YOSHIDA, Yasuyuki Endoh, Masayuki Ikeda, Tsutomu Takeya, Etsushi Yamazaki +2 more 2022-05-03
11201721 Frame synchronization apparatus, optical communication apparatus, and frame synchronization method Mitsuteru YOSHIDA, Yasuyuki Endoh, Masayuki Ikeda, Tsutomu Takeya, Etsushi Yamazaki +2 more 2021-12-14
11121778 Phase variation compensation device, phase variation compensation method and communication device Tomohiro Takamuku, Mitsuteru YOSHIDA, Tsutomu Takeya, Hiroyuki Nouchi, Atsushi Suenaga 2021-09-14
10880193 Error correction device, error correction method, and communication device Mitsuteru YOSHIDA, Yasuyuki Endo, Etsushi Yamazaki, Yasuharu Onuma, Masahito Tomizawa 2020-12-29
10608743 Transmission characteristic compensation apparatus, transmission characteristic compensation method, and communication apparatus Tomohiro Takamuku, Etsushi Yamazaki, Yasuharu Onuma, Kazuhito Takei, Masanori Nakamura +3 more 2020-03-31
10419127 Phase compensation device, phase compensation method and communication apparatus Etsushi Yamazaki, Hiroyukl Nouchi, Yasuharu Onuma, Tomohiro Takamuku, Kazuhito Takei +4 more 2019-09-17
10396895 Compensation coefficient calculation method Tomohiro Takamuku, Etsushi Yamazaki, Yuki Yoshida, Yasuharu Onuma, Akihiro Yamagishi 2019-08-27
10374718 Optical transmission distortion compensation device, optical transmission distortion compensation method, and communication device Yasuharu Onuma, Etsushi Yamazaki, Hiroyuki Nouchi, Tomohiro Takamuku, Kazuhito Takei +3 more 2019-08-06
6175850 Scheme for carrying out modular calculations based on redundant binary calculation Shinji Ishii, Kiyoto Tanaka 2001-01-16