This inventor holds 6 USPTO granted patents. Top assignees: Kokan Kikai Kogyo Kabushiki Kaisha, Nippon Rotary Nozzle Co., Ltd., Tokyo Yogyo Kabushiki Kaisha. Active years: 1985-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1985 - 1988)
- Kanagawa, JP (1990 - 1991)
- Kanagawa-Ken, JP (1998)
Company Filing History:

Years Active: 1985-1998
Title: **Innovative Contributions of Tetsuya Yoshihara**
Introduction
Tetsuya Yoshihara is an accomplished inventor based in Yokohama, Japan, recognized for his significant contributions to the field of molten metal pouring technology. With a portfolio of six patents, his innovations have influenced operational safety and efficiency in this specialized industry.
Latest Patents
Two of Tetsuya Yoshihara's latest patents exemplify his ingenuity:
1. **Flow Rate Adjusting for Rotary Nozzle Type Molten Metal Pouring Unit**: This innovation features a flow rate adjusting plate designed for rotary-nozzle-type molten-metal pouring units. It is uniquely shaped, with one or both sides of an octagon replaced by one or two arcs that connect smoothly to adjacent straight sides. The plate includes one or two holes for passing molten metal, with the center of the hole aligned to the center of the arc, ensuring an optimal flow while maintaining safety.
2. **Door-Type Rotary Nozzle**: This patent involves a door opening and closing device that enhances the safety of using a door-type rotary nozzle. It is designed to prevent the possibility of pouring molten metal while the clampers are still in place. When the fixed frame is operated, the ladle is fitted at a 90-degree angle, allowing for easy access to the clampers for fitting and removal by the operator.
Career Highlights
Tetsuya Yoshihara's career includes significant positions at leading companies in the industry, such as Nippon Rotary Nozzle Co., Ltd. and Kokan Kikai Kogyo Kabushiki Kaisha. His work in these firms reflects his commitment to advancing technology in metal pouring systems.
Collaborations
Over the years, Tetsuya has collaborated with notable coworkers, including Hisao Inubushi and Mioshi Sakamoto. Their partnership in various projects has contributed to the successful development and implementation of innovative solutions in the field.
Conclusion
Tetsuya Yoshihara continues to be a pivotal force in innovations related to molten metal pouring technology. His patents not only showcase his inventive spirit but also reflect his dedication to improving safety and efficiency in industrial applications. With his ongoing contributions, Tetsuya stands as a prominent figure in the realm of modern inventors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile