# File lib/jpmobile/mobile/docomo.rb, line 119
    def model_name
      if @env["HTTP_USER_AGENT"] =~ /^DoCoMo\/2.0 (.+)\(/
        return $1
      elsif @env["HTTP_USER_AGENT"] =~ /^DoCoMo\/1.0\/(.+?)\//
        return $1
      end
      return nil
    end