Location History:
- Hanishina, JP (1995)
- Nagano, JP (1996 - 2004)
Company Filing History:
11 out of 288 
1 out of 1 Years Active: 1995-2004
Title: Innovations by Tsuyoshi Arai in Injection Molding Technology
Introduction
Tsuyoshi Arai, a prominent inventor based in Nagano, Japan, has made significant strides in the field of injection molding technology. With a total of 12 patents to his name, Arai has contributed innovative solutions that enhance the efficiency and precision of injection molding machines.
Latest Patents
Among his latest patents are a "Drive control apparatus for an injection molding machine" and a "Control method for injection molding machine." The drive control apparatus focuses on improving the operation of servomotors in injection molding machines by integrating both hardware and software circuit sections. Notably, it features a hardware circuit for critical safety functions, ensuring reliability even without software dependencies.
The control method enhances the performance of the injection molding process by implementing a sophisticated control mechanism for a servo valve connected to hydraulic cylinders. This method distinguishes between acceleration and deceleration phases in the movement of the machine, allowing for open-loop control during acceleration and closed-loop control during deceleration. Such innovations improve the stability and precision of control, crucial for high-quality production.
Career Highlights
Tsuyoshi Arai's professional journey includes significant roles at Nissei Plastic Industrial Co., Ltd. and Nissei Plastic Industries, Ltd. His experience at these leading companies in the plastic manufacturing industry has enabled him to develop cutting-edge technologies that address the evolving needs of the sector.
Collaborations
Throughout his career, Arai has collaborated with other talented individuals, including Nobuyuki Nakamura and Toshiyasu Koda. These partnerships have facilitated the exchange of ideas and fostered innovative developments within injection molding technology.
Conclusion
In conclusion, Tsuyoshi Arai stands out as a leading inventor in the realm of injection molding, with a robust portfolio of patents that continue to influence the industry. His dedication to innovation not only enhances machine efficiency but also sets new standards for precision in manufacturing processes. As the field advances, the contributions of inventors like Arai will undoubtedly play a pivotal role in shaping the future of technology in this domain.