This inventor holds 1 USPTO granted patent. Top assignee: Citizen Watch Company, Ltd.. Active years: 1984.
Company Filing History:
Years Active: 1984
Title: The Innovative Contributions of Youji Yoshikawa
Introduction
Youji Yoshikawa is a notable inventor based in Sayama, Japan. He has made significant contributions to the field of ion plating, particularly through his innovative methods and materials. His work has implications for various industries, particularly in the production of coatings.
Latest Patents
Yoshikawa holds a patent for a "Method and coating materials by ion plating." This patent describes an ion plating apparatus that operates independently of the electric potential of a substrate. At the initial and final stages of the ion plating process, a negative potential is applied to the substrate to enhance the bombardment effect. During the intermediate stage, the substrate's potential is left floating while the ionization means is driven, allowing for better control of the bombardment effect. This method enables the production of relatively thick and adherent coatings.
Career Highlights
Yoshikawa is associated with Citizen Watch Company, Ltd., where he has applied his expertise in ion plating. His work has contributed to advancements in coating technologies, enhancing the durability and quality of products.
Collaborations
Yoshikawa has collaborated with notable coworkers, including Mitsugu Enomoto and Teruaki Takahashi. Their combined efforts have furthered the development of innovative technologies in their field.
Conclusion
Youji Yoshikawa's contributions to ion plating and coating technologies highlight his role as an influential inventor. His patented methods continue to impact various industries, showcasing the importance of innovation in material science.