Location History:
- Minorimachi, JP (1980 - 1982)
- Ibaraki, JP (1985 - 1999)
- Ibaraki-ken, JP (1997 - 2002)
- Higashiibaragi, JP (2004)
- Minori, JP (2004 - 2007)
- Hitachi, JP (1987 - 2008)
- Shunan, JP (2008)
- Chiyoda-ku, JP (2007 - 2016)
Company Filing History:
30 out of 42,485 
4 out of 1,267 
1 out of 60 
Years Active: 1980-2016
Title: Innovations of Takashi Yoshida in the Field of Engineering
Introduction
Takashi Yoshida, based in Ibaraki, Japan, is an accomplished inventor with a remarkable portfolio of 32 patents. His innovations primarily focus on enhancing the performance and safety of various engineering structures and devices, particularly in railway technology and electrical components.
Latest Patents
Yoshida's latest patents showcase his ingenuity and commitment to improving technology. One of his prominent inventions is a **current switch** which features a blade-shaped movable contact that extends radially from a rotation center. This switch allows the movable contact to reciprocate, tracing a specific rotation locus. It includes a fixed contact with multiple pairs of energizing contacts that engage with the movable contact, along with a movable arcing contact and permanent magnets situated adjacent to the fixed arcing contacts, facilitating effective electrical performance.
Another significant innovation is the **car body structure** for railway cars. This invention aims to enhance riding quality by optimizing the flexural rigidity of the car body without increasing its overall mass. By attaching a reinforcing plate to the roof construction at the car's longitudinal center, the design manages deformation effectively. This arrangement suppresses bending vibrations, ensuring a superior riding experience for passengers.
Career Highlights
Throughout his career, Takashi Yoshida has contributed to esteemed organizations such as Hitachi, Ltd. and Hitachi Koki Co., Ltd. His work at these companies has allowed him to develop cutting-edge technologies that benefit the engineering sector.
Collaborations
Yoshida's achievements are further augmented by collaborations with notable colleagues like Yasuhiro Matsuda and Isao Shimizu. Together, they have fostered innovation and contributed to significant advancements in engineering.
Conclusion
In summary, Takashi Yoshida stands out as a prolific inventor in the field of engineering. With 32 patents to his name and continuous efforts to enhance technological fixtures, his work is invaluable to the advancement of railway and electrical engineering. His latest inventions reflect a dedication to improving user experience and safety, marking him as a significant figure in contemporary innovation.
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.