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Assignee

• Nihon Dempa Kogyo Co.

Inventors

• Takuji Yamamoto (42 patents)
• Nobuo Hiruma (1 patents)
• Motoo Takada (9 patents)
• Kozo Ono (34 patents)
• Masahiro Yoshimatsu (6 patents)
• Takehiro Takahashi (95 patents)

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