Company Filing History:
3 out of 46 
1 out of 5 
1 out of 3,548 Years Active: 1988-2012
Title: Innovator Spotlight: Yoshitaka Hiraiwa
Introduction
Yoshitaka Hiraiwa is a notable inventor based in Fukuoka, Japan, renowned for his contributions to the field of refractory materials and continuous casting technology. With a portfolio that boasts four patents, Hiraiwa has made significant advancements that enhance the efficiency and durability of casting processes in the metallurgy industry.
Latest Patents
Hiraiwa's recent inventions include two groundbreaking patents. The first patent focuses on a refractory material designed for nozzles used in continuous casting. This innovative material includes a mortar that establishes a bond between the inner bore-side layer and the outer periphery-side layer of the nozzle, effectively reducing the risk of expansion splitting caused by thermal expansion differences.
The second patent introduces an apparatus for continuously measuring the temperature of molten metal. This device features a thermocouple unit protected by a high airtightness porcelain protection tube, along with an alumina-graphite protection tube for added insulation. The design allows for ease of thermocouple removal while ensuring accurate temperature readings during the casting process.
Career Highlights
Throughout his career, Yoshitaka Hiraiwa has worked with prominent companies such as Kurosaki Refractories Co., Ltd. and Kawaso Electric Industrial Co., Ltd. His dedication to research and development in the refractory materials sector has positioned him as a leading figure in the industry.
Collaborations
Hiraiwa has collaborated with esteemed colleagues, including Haruyoshi Kimura and Hiroyuki Shiokawa. These partnerships have contributed to the successful development of his patents, fostering innovation and advancement in metal casting technologies.
Conclusion
Yoshitaka Hiraiwa’s work exemplifies the spirit of innovation within the field of metallurgy. His patents not only address critical challenges in continuous casting technology but also significantly enhance the efficiency and performance of casting operations. Through his inventive solutions, Hiraiwa continues to impact the industry and inspire future innovations.
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.