Location History:
- Chiyodamura, JA (1977)
- Tsuchiura, JP (1987 - 1992)
Company Filing History:
6 out of 42,485 
4 out of 836 
Years Active: 1977-1992
Title: Takehiko Yanagida: Innovator in Inverter Technology and Heat Transfer Solutions
Introduction
Takehiko Yanagida is a prominent inventor based in Tsuchiura, Japan. He has made significant contributions to the fields of inverter technology and heat transfer solutions. With a total of six patents to his name, Yanagida's work reflects a commitment to innovation and reliability in engineering.
Latest Patents
One of Yanagida's latest patents is an inverter device that features a main circuit section designed to switch power at high speed. This device includes a switching element and a smoothing condenser to enhance the power supplied to the switching element. A unique aspect of this invention is the inclusion of a shielding member positioned between the main circuit section and the logic section. This shielding member combines heat shielding and electromagnetic shielding to protect the logic section from heat, electromagnetic noise, and vibrations, thereby improving the overall reliability of the inverter device. Another notable patent is a method for producing a heat transfer tube for single-phase flow. This method involves creating rows of discontinuous projections on the inner surface of the tube, which are arranged along one or more spiral curves. Each projection has a cross-section that progressively decreases towards the top, enhancing the efficiency of heat transfer.
Career Highlights
Throughout his career, Takehiko Yanagida has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Cable, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Yanagida has collaborated with notable colleagues, including Wataru Nakayama and Kenji Takahashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Takehiko Yanagida's contributions to inverter technology and heat transfer solutions exemplify his dedication to innovation. His patents not only enhance the reliability of electronic devices but also improve efficiency in thermal management. Yanagida's work continues to influence the engineering landscape, showcasing the importance of inventive thinking in technology.
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.