Location History:
- Nagasaki, JP (2003 - 2004)
- Tokyo, JP (2017 - 2024)
Company Filing History:
5 out of 4,618 
1 out of 651 Years Active: 2003-2024
Title: Takumi Tokiyoshi: Innovator in Welding and Turbocharger Technology
Introduction
Takumi Tokiyoshi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of welding and turbocharger technology, holding a total of six patents. His innovative approaches have led to advancements that enhance the efficiency and reliability of various mechanical systems.
Latest Patents
One of Tokiyoshi's latest patents is a repair welding method designed for components where a first end and a second end of a parent material are connected by welding. This method involves removing a portion of the first heat-affected zone of an existing welded portion before performing repair welding. The design ensures that the intersection angle between the heat-affected zones remains between 70° to 110°, optimizing the structural integrity of the repair.
Another notable patent is a sealing structure for turbocharger housing. This invention features bolt holes in the joint part of a turbine housing, where flanged bolts are used to secure a bearing housing. A sealing ring is strategically placed in an annular space to ensure a tight fit, allowing for resilient deformation that enhances the sealing capability of the turbocharger.
Career Highlights
Throughout his career, Takumi Tokiyoshi has worked with leading companies in the industry, including Mitsubishi Heavy Industries Limited and Mitsubishi Hitachi Power Systems, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of engineering practices.
Collaborations
Tokiyoshi has collaborated with notable colleagues such as Masaaki Fujita and Daigo Watanabe. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Takumi Tokiyoshi's contributions to welding and turbocharger technology exemplify the spirit of innovation. His patents reflect a commitment to improving mechanical systems and enhancing their performance. Through his work, he continues to inspire future generations of inventors and engineers.
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.