Location History:
- Okazaki-shi, Aichi, JP (1988)
- Okazaki, JP (1997 - 2001)
- Aichi-ken JP (2001)
- Nagoya, JP (2015 - 2019)
Company Filing History:
3 out of 36,499 
3 out of 40 
2 out of 21,351 
Years Active: 1988-2019
Title: Innovations of Yoshiki Tsunekawa
Introduction
Yoshiki Tsunekawa is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of engineering, particularly in the area of surface treatment methods and repair techniques for molds used in casting. With a total of nine patents to his name, Tsunekawa's work reflects a commitment to advancing technology and improving manufacturing processes.
Latest Patents
One of Tsunekawa's latest patents is a nitrided layer repair method. This innovative technique involves pressurizing and solidifying molten metal to repair a nitrided layer formed on the cavity surface of a mold used for casting objects. The method includes applying a nitriding source to the cavity surface and heating it while using the molten metal to achieve the desired nitriding effect. Another significant patent is a surface treatment method for metal materials. This method involves applying diluted sulfuric acid to a primarily iron-based metal surface, followed by heat treatment in the presence of carbon monoxide and organic gas. This process forms a nitrided layer and a carbon film that includes carbon nanocoils, carbon nanotubes, and carbon nanofilaments on the surface of the treated metal.
Career Highlights
Throughout his career, Yoshiki Tsunekawa has worked with prominent companies, including Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative techniques, contributing to advancements in manufacturing and material science.
Collaborations
Tsunekawa has collaborated with notable colleagues such as Masahiro Okumiya and Hiromitsu Takeuchi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Yoshiki Tsunekawa's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His innovative methods for surface treatment and mold repair continue to influence the manufacturing industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.