Digital key telephone system and extension terminal device thereof

Assignee

• Kabushiki Kaisha Toshiba

Inventors

• Toshiaki Tanaka (290 patents)
• Hiroshi Mano (94 patents)
• Setsuo Kimura (8 patents)
• Yoshihito Nagano (7 patents)
• Masayuki Tsurusaki (14 patents)
• Takashi Watanabe (622 patents)
• Terunori Suwa (9 patents)
• Isaku Komuro (13 patents)
• Yoshihiro Kawauchi (17 patents)
• Nobuhiro Masaki (11 patents)

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