public function lists(&$objQuery)
    {
        $col = <<< __EOS__
             product_id
            ,product_code_min
            ,product_code_max
            ,name
            ,comment1
            ,comment2
            ,comment3
            ,main_list_comment
            ,main_image
            ,main_list_image
            ,price01_min
            ,price01_max
            ,price02_min
            ,price02_max
            ,stock_min
            ,stock_max
            ,stock_unlimited_min
            ,stock_unlimited_max
            ,deliv_date_id
            ,status
            ,del_flg
            ,update_date
            ,maker_name  // ★ココを追加
__EOS__;
        $res = $objQuery->select($col, $this->alldtlSQL());

        return $res;
    }