1
Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui, Kenji Matsui, Takako Yoshiba, Yasuyuki Suzuki, Itaru Arimoto: Nitrogen-containing aromatic derivatives. Eisai, Andrea L C Robidoux, Choate Hall & Stewart, August 7, 2007: US07253286 (78 worldwide citation)

Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a grou ...


2
Akira Ogawa, Tatsuo Watanabe, Hideki Saito: Space diversity system in TDMA communication system. Kokusai Denshin Denwa Kabushiki Kaisha, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, August 19, 1980: US04218654 (69 worldwide citation)

A space diversity system in a TDMA communication system employing a communication satellite, in which in order to equalize the path lengths of respective sending paths at the start of communication, a pre-burst is sent out to one of the paths making up the diversity system in a time slot of one fram ...


3
Toshio Mizuno, Takuro Muratani, Yasuhiko Ito, Tatsuo Watanabe, Takashi Inoue: Hybrid modulation satellite communication system. Kokusai Denshin Denwa, Armstrong Nikaido Marmelstein Kubovcik & Murray, November 19, 1991: US05066957 (38 worldwide citation)

In a satellite communication system including a plural small earth stations (3-8), a relay earth station (2) and a satellite (1), information transmission is undertaken by primary modulation of carrier wave, and transmission of operation status of each small earth station (3-8) is carried out by sec ...


4
Tatsuo Watanabe, Toshio Mizuno, Makoto Miyake, Tadashi Fujino: Signal quality monitoring device. Mitsubishi Denki Kabushiki Kaisha, Kokusai Denshin Denwa, Sughrue Mion Zinn Macpeak and Seas, April 1, 1986: US04580263 (35 worldwide citation)

The error rate of a signal is monitored by sampling an input signal with a first clock and also with second and third clocks phase delayed in equal but opposite directions with respect to the first clock, and then logically combining the first through third sampled outputs in order to obtain an erro ...


5
Takurou Muratani, Tatsuo Watanabe, Hideo Kobayashi: Transmission power control system in a satellite communication. Kokusai Denshin Denwa, Armstrong Nikaido Marmelstein & Kubovcik, March 15, 1988: US04731866 (30 worldwide citation)

A satellite communication system between small earth stations through a satellite and a relay earth station. The relay earth station has a larger antenna and a higher power transmitter than those of a small earth station in order to regenerate received digital signals. The transmission power of the ...


6
Hiroshi Yoshino, Norihiro Ueda, Hiroyuki Sugumi, Jun Niijima, Yoshihiko Kotake, Toshimi Okada, Nozomu Koyanagi, Tatsuo Watanabe, Makoto Asada, Kentaro Yoshimatsu, Atsumi Iijima, Takeshi Nagasu, Kappei Tsukahara, Kyosuke Kitoh: Sulfonamide derivatives. Eisai, Flynn Thiel Boutell & Tanis, October 5, 1993: US05250549 (28 worldwide citation)

Sulfonamide derivatives of the general formula (I): ##STR1## wherein preferably R.sup.1 represents a lower alkoxy group, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are as defined in the specification, A and B may be the same or different from each other and each represents .dbd.N-- or . ...


7
Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui: Nitrogen-containing aromatic derivatives. Eisai R & D Management, Andrea L C Robidoux, Choate Hall & Stewart, November 3, 2009: US07612092 (25 worldwide citation)

Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a grou ...


8
Tatsuo Watanabe, Hideki Saito: Frequency synchronizing system for satellite communication. Kokusai Denshin Denwa Kabushiki Kaisha, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, April 19, 1977: US04019138 (24 worldwide citation)

A frequency synchronizing system for satellite communication, in which a reference frequency coming from a communications satellite is received by a receiving circuit. A first frequency variable oscillator is provided for generating a transmission signal. A second receiving circuit is provided for r ...


9
Tatsuo Watanabe, Hideki Saito, Akira Ogawa, Masahisa Yamaguchi deceased: Space diversity system in PCM-TDMA telecommunication system using stationary communication satellite. Kokusai Denshin Denwa Kabushiki Kaisha, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, October 4, 1977: US04052670 (23 worldwide citation)

A space diversity PCM-TDMA telecommunication system using a stationary communication satellite, in which fixed delay circuits are respectively inserted in the sending side and the receiving side of one route at a control equipment, while variable delay circuits are inserted in the sending side and t ...


10
Tatsuo Watanabe, Kiyohiko Suzuki: Feed-forward microwave power amplifier with difference signal distortion cancellation circuit. Kokusai Denshin Denwa, December 16, 1986: US04629996 (19 worldwide citation)

A feed forward microwave power amplifier having a divider for dividing an input signal into two parts, a first main amplifier for amplifying one of the divided signals, means for providing a part of the output of the first amplifier as a signal S.sub.1, means for providing a signal S.sub.2 by anothe ...