Non-applicability certificates are only available through an authorized dealer in Japan; they are not available to the general public. What you are looking for may be the "Kohyo List (Declared List)" issued by CISTEC.
CISTEC's "kohyolist (Declared List)" can be purchased from CISTEC.
CISTEC's contact information is listed below.
New Toranomon Jitsugyo Kaikan 4F 1-1-12 Toranomon, Minato-ku, Tokyo, Japan 105-0001