This inventor holds 3 USPTO granted patents. Top assignees: Kawasaki Jukogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki, Toyota Jidosha Kabushiki Kaisha. Active years: 1994-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 3,460 
1 out of 19 
1 out of 39,010 
Years Active: 1994-1999
Title: Hitoshi Arasuna: Innovator in Spot Welding Technology
Introduction
Hitoshi Arasuna is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of welding technology, particularly in spot welding methods and apparatus. With a total of 3 patents to his name, Arasuna's work has advanced the efficiency and effectiveness of welding processes.
Latest Patents
One of Arasuna's latest patents is a spot welding control method and apparatus. This innovation involves the use of servomotors to drive spot welding electrodes, allowing them to be moved and pressured against a work surface. The welding pressure controller detects the welding pressure corresponding to the current flowing through the servomotor and adjusts it according to the set conditions. Additionally, the welding current is controlled synchronously with the welding pressure by a robot CPU, enabling a systematic approach to spot welding that adapts to work behavior.
Another significant patent is the welding gun control method. In this method, reference positions are established where the electrode chips contact each other. Desired starting positions are determined based on these reference points, taking into account the thickness of the workpiece. The electrode chips are then moved to these starting positions and controlled to ensure precise contact and compression of the workpiece.
Career Highlights
Hitoshi Arasuna has worked with prominent companies in the automotive and manufacturing sectors. He has been associated with Kawasaki Heavy Industries and Toyota Motor Corporation, where he applied his expertise in welding technology to enhance production processes.
Collaborations
Throughout his career, Arasuna has collaborated with talented individuals such as Satoru Hirayama and Kazutsugu Suita. These collaborations have contributed to the development of innovative solutions in the welding industry.
Conclusion
Hitoshi Arasuna's contributions to spot welding technology have made a lasting impact on the industry. His innovative patents and collaborations with leading companies and professionals highlight his role as a key figure in advancing welding methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile