Company Filing History:
2 out of 248 
1 out of 1 Years Active: 1981-1991
Title: Shizunori Hayakawa: Innovator in Metal Refining Technologies
Introduction
Shizunori Hayakawa is a notable inventor based in Tokai, Japan. He has made significant contributions to the field of metal refining, holding a total of 3 patents. His innovative approaches have enhanced the efficiency and quality of metal processing.
Latest Patents
One of Hayakawa's latest patents is a tundish changing apparatus in a continuous casting installation. This invention features two tundish transport trucks that move alternately between a pouring position and a tundish preheating position. A swivel table is positioned at the forward end of a transport rail, guiding the tundish transport truck for movement. The swivel table includes a pair of swivel rails, allowing for the delivery of a preheated tundish to the pouring position while a used tundish undergoes repair and preheating for subsequent operations.
Another significant patent is a process for refining molten metal. This method utilizes a refining apparatus equipped with a tiltable refining vessel and a tuyere for blowing inert gas and/or flux into the molten metal. The process involves heating the molten metal and flux with electrodes, followed by tilting the vessel to blow inert gas and other components into the molten metal. This innovative approach effectively removes harmful impurities, thereby improving the quality of the final product.
Career Highlights
Hayakawa has worked with prominent companies, including Daido Tokushuko Kabushiki Kaisha and Hitachi Zosen Corporation. His experience in these organizations has contributed to his expertise in metal refining technologies.
Collaborations
Some of his notable coworkers include Kazumasa Hasegawa and Minao Ito. Their collaboration has likely fostered a creative environment that encourages innovation in their respective fields.
Conclusion
Shizunori Hayakawa's contributions to metal refining technologies through his patents and career experiences highlight his role as an influential inventor. His work continues to impact the industry positively.