Location History:
- Tochigi, JP (1994)
- Tochigi-ken, JP (1997 - 2000)
Company Filing History:
3 out of 2,333 
1 out of 42,485 
Years Active: 1994-2000
Title: Innovative Contributions of Inventor Toshiki Yoshida
Introduction: Toshiki Yoshida, a distinguished inventor from Tochigi-ken, Japan, has made significant strides in the field of engineering, particularly known for his contributions to spheroidal graphite cast iron and rotary type compressors. With a total of three patents to his name, Yoshida is recognized for his innovative approaches and technical expertise.
Latest Patents: One of Yoshida's notable inventions is an Additive for use in producing spheroidal graphite cast iron. This additive comprises fine particles of magnesium oxide with a purity of 90 weight % or higher, alongside various graphite-spheroidizing materials. It effectively increases the nuclei count in melts, leading to a higher graphite spheroid count in the resulting cast iron. Another similar additive leverages metal oxides with lower oxygen affinity than the graphite-spheroidizing elements, resulting in enhanced dispersion of fine oxide particles for a superior spheroidal graphite cast iron product.
Yoshida also holds a patent for a Rotary type compressor. This unique compressor features a roller made from heat-treated cast iron with a hardness of HRC 50 or more, and contains specific percentages of graphite and crystallized eutectic structures. The design ensures optimal performance and durability, especially with a vane made of advanced materials that includes hard carbide and nitride particles.
Career Highlights: Throughout his career, Toshiki Yoshida has worked with renowned companies such as Hitachi Metals, Ltd. and Hitachi, Ltd. His roles at these organizations provided him with a platform to develop and innovate various industrial applications, particularly in metallurgy and material sciences.
Collaborations: Yoshida has collaborated with notable colleagues such as Hideki Nakamura and Keiji Yamasaki. This teamwork has facilitated knowledge sharing and heightened the innovative spirit in their projects, contributing to advancements in their field.
Conclusion: In summary, Toshiki Yoshida's contributions as an inventor have been instrumental in advancing technologies related to spheroidal graphite cast iron and rotary compressors. His innovative patents not only showcase his technical skills but also reflect a commitment to improving industrial processes, underlining the importance of continuous innovation in engineering.
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.