1. The decision made by the Intellectual Property Tribunal on August 31, 2018 on a case No. 2017Da3377 shall be revoked.

2. The costs of lawsuit shall be.

1. Basic facts

(a) The title of patent invention 1) invention: C2) filing date/registration date//registration number: D/ E/F3: Patenter: Defendant 4) based on a request for correction at the trial stage; Defendant 1) 【 Claim 1 】 (a) Raddddye, and re-processing the surface of metal tubes (hereinafter “Composition 1”).

(b) (b) At the above stage, metal tubes, the complete of which has been carried out, shall be filled with the string heads, and shall be filled with the string heads and the stringing of the surface of metal tubes, which is supplied from the string heads and the string heads, installed inside the string heads (hereinafter referred to as the “Composition 2”).

(c) and (c) the phase in which the metal tubes, the co-rating of which has been completed at the above stage, shall be drawn up to the head of 750-1000 cc, which shall include the string string strings, and shall be drawn up from the head of 750-100 cc. (hereinafter referred to as the

(a) at the stage of (a) above, electric power lines, flasma heat treatment lines, heavy oil lines, light oil lines, gas lines, hydrogen heat treatment lines or derived heating lines (hereinafter referred to as “Composition 1-1”).

(i) using the heating method as set forth above, a pre-processing process has been conducted to remove the divers components of the metal tubes surface with the temperature of 300 to 600°C for 10 to 4 minutes, and the divers of the metal tubes surface (hereinafter referred to as “Composition 1-2”).

(i) The above metal tubes are not less than 5m in length and are of fin tubes for heat exchange equipment with a ionin formed on the tubes surface (hereinafter referred to as “Composition 4”).

(1) In the case of paragraph 3(a)(b) of the claim, 【claim 2’s 【claim 2’s 【claim 3’s claim, the above heating method is characterized by inducing metal tubes with the characteristics of being inducated as an inducator. 【claim 4’s claim 1, the above-mentioned (a) method is characterized by the more inducatoring of metal tubes with the characteristics of being carried out by the reducatory process applying the ultra-frequency at the stage of the claim.