HK

Hiroyuki Kiyanagi

Fujitsu Limited: 13 patents #2,362 of 24,456Top 10%
Overall (All Time): #385,264 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8467823 Method and system for CPRI cascading in distributed radio head architectures Hiroyuki Seki, Wei-Peng Chen, Chenxi Zhu, Nien-Tai Kai Mao 2013-06-18
RE40695 Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of multiplex radio equipment Takanori Iwamatsu 2009-04-07
6871053 Wireless communication apparatus Yasuhiro Shibuya, Koji Hirai 2005-03-22
6731704 Apparatus and bit-shift method for eliminating interference of cross polarization 2004-05-04
6320734 Communication device Hideki Sonobe, Yasuo Iwahashi, Masayuki Watabe, Toshiaki Suzuki, Yasuhiro Shibuya 2001-11-20
6185201 Multiplex radio transmitter and multiplex radio transmission method, multiplex radio receiver and multiplex radio receiving method, and multiplex radio transceiver and multiplex transmission/receiving system Toshiaki Suzuki, Yasuhiro Shibuya, Hiroshi Suzuki 2001-02-06
6028902 Clock phase detecting circuit Mitsuo Kakuishi, Takanori Iwamatsu 2000-02-22
6029056 Space diversity receiving apparatus Yasuhiro Shibuya, Takanori Iwamatsu, Toshiaki Suzuki 2000-02-22
5987078 Carrier regenerating circuit Masayuki Watabe 1999-11-16
5978415 Automatic amplitude equalizer Kenzo Kobayashi, Toshio Kawasaki, Toshio Tamura, Takanori Iwamatsu 1999-11-02
5867542 Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of multiplex radio equipment Takanori Iwamatsu 1999-02-02
5596605 Radio receiver for use in the reception of digital multiplexing signals Yuitsu Ogata, Toshio Tamura, Hisao Narita, Takahiko Terakado, Kenzo Kobayashi 1997-01-21
5594389 Carrier regeneration circuit including area judging device Takanori Iwamatsu 1997-01-14