Location History:
- Funabashi, JA (1976)
- Funabashi, JP (1978 - 1986)
Company Filing History:
9 out of 1,256 
2 out of 7 
2 out of 306 
Years Active: 1976-1986
Title: Hiroshi Shimanaka: Innovator in Grain-Oriented Silicon Steel Technology
Introduction
Hiroshi Shimanaka is a notable inventor based in Funabashi, Japan, renowned for his contributions to the field of metal engineering. With a tally of 11 patents, Shimanaka has dedicated his career to innovations that enhance the efficiency and quality of silicon steel sheets, which play a crucial role in various industrial applications.
Latest Patents
Among his most recent innovations are two significant patents concerning grain-oriented silicon steel sheets. The first patent focuses on producing grain-oriented silicon steel sheets with an exceptionally low iron loss, specifically targeted at achieving a loss of less than 0.90 W/kg. This is accomplished by incorporating specific amounts of selenium and sulfur, along with other elements like antimony, arsenic, bismuth, and tin as inhibitors. The final product boasts a gauge of 0.15-0.25 mm, treated with a forsterite coating during the final annealing process.
The second patent elaborates on the method and apparatus for the continuous casting of metal sheets. This innovative approach involves applying pressure to the interior of casting rolls to maintain a true cylindrical surface, thereby enhancing the quality of the continuous casting operation.
Career Highlights
Hiroshi Shimanaka has had a distinguished career with key roles in reputable companies, including Kawasaki Steel Corporation and Kawasaki Seitetsu Kabushiki Kaisha. His work at these firms has allowed him to develop significant technological advancements in metal processing, particularly in the realm of silicon steel.
Collaborations
Throughout his career, Shimanaka has collaborated with esteemed colleagues such as Toshio Ichida and Shigeru Kobayashi. These collaborations have played a vital role in the success of his inventions, illustrating the importance of teamwork in scientific innovation.
Conclusion
Hiroshi Shimanaka stands out as a leading inventor in the field of grain-oriented silicon steel technology. His 11 patents reflect a commitment to research and development that drives the industry forward. With his latest innovations, Shimanaka continues to influence the future of metal engineering, ensuring that advancements in quality and efficiency remain a priority.
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.