The 25th International Congress Sound and Vibration Duration: July 8 (Sun.) - 11 (Wed.), 2018 Venue: Grand Prince Hotel Hiroshima Presenter: Jiromaru Tsujino Presentation Date: July 11 (Wed.), 13:40 - 14:00 Room4 Content: [# 819] [T5 SS2] ULTRASONIC COMPLEX VIBRATION WELDING USING TWO-DIMENSIONAL STRESS The inventor of "Ultrasonic Complex Vibration Technology" and Chairman of our Board of Directors. Thank you very much for coming and listening to the presentation by Dr. Tsujino, the inventor of "Ultrasonic Complex Vibration Technology" and Chairman of the Board of Directors of our company.