Location History:
- Kitakyushu, JP (2014)
- Tokyo, JP (2016 - 2018)
- Fukuoka, JP (2016 - 2021)
Company Filing History:
6 out of 7 
6 out of 1,232 
3 out of 1,883 
Years Active: 2014-2021
Title: Innovations by Kotaro Toyotake: A Look into His Patents and Career
Introduction: Kotaro Toyotake, an accomplished inventor based in Fukuoka, Japan, has made significant strides in the field of materials science and engineering. With a total of eight patents to his name, his innovative designs and contributions have impacted various industries.
Latest Patents: Among Toyotake's most recent inventions are several notable patents. One of his latest creations is an alloy material composed of a ternary alloy of silver (Ag), palladium (Pd), and copper (Cu). This innovative alloy includes 20 to 30 wt % of Ag, 35 to 55 wt % of Pd, and 20 to 40 wt % of Cu. Additionally, the composition is enhanced with tin (Sn) ranging from 0.5 to 2.5 wt %, and contains one or a combination of cobalt (Co), chromium (Cr), and zinc (Zn) in a range of 0.1 to 1.0 wt %, along with 0.01 to 0.1 wt % of iridium (Ir) and/or ruthenium (Ru).
Another significant patent relates to a hollow spring utilizing a seamless steel pipe. The seamless steel pipe is formed from a cylindrical steel material billet through a hot isostatic extrusion step. It features a contiguous flaw depth of 50 micrometers or less on both the inner and outer surfaces. The hollow spring is produced from this seamless steel pipe, shaped into either a coil or curved bar, and is treated to have compressive residual stress. The production method involves several steps including billet molding, heating, hot isostatic extrusion, extension, and pickling.
Career Highlights: Throughout his career, Kotaro Toyotake has worked with prominent companies such as Shinko Metal Products Co., Ltd. and NHK Spring Co., Ltd. His experiences in these organizations have significantly contributed to his knowledge and expertise in developing innovative technologies.
Collaborations: Toyotake has collaborated with notable colleagues including Tomoyuki Minami and Noritoshi Takamura. These professional relationships have fostered an environment of innovation and creativity, enabling the exchange of ideas and advancements in their respective fields.
Conclusion: Kotaro Toyotake's impressive portfolio of patents and his dedication to innovation exemplify the impact of his contributions to materials science. His ability to create advanced alloys and functional components showcases the role of inventors in driving technological progress. As he continues to influence the industry, Toyotake remains a significant figure in the landscape of modern 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.