Location History:
- Nagano, JP (2016)
- Komoro, JP (2019)
Company Filing History:
3 out of 83 
2 out of 2,002 
1 out of 450 Years Active: 2016-2025
Title: Sakae Nakazawa: Innovator in Machine Tool Technology
Introduction
Sakae Nakazawa is a notable inventor based in Komoro, Japan. He has made significant contributions to the field of machine tool technology, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and precision of workpiece handling in machining processes.
Latest Patents
One of Nakazawa's latest patents is a chuck device designed for holding plate material workpieces supplied to machine tools without causing deformation. This chuck device features a housing with a workpiece contact surface that faces workpiece holding claws. When the workpiece is released, a series of rods swing integrally, allowing the holding claws to move away from the workpiece contact surface and from each other. Conversely, when holding the workpiece, the rods swing to bring the claws close to the workpiece contact surface and to each other, ensuring a secure grip.
Another significant patent is for a machine tool and workpiece processing system. This system includes two fixed modules and two movable modules, each equipped with a main spindle, headstock, and tool post. The movable modules are designed to move in the Y-axis direction, while the fixed modules remain stationary on the bed. This innovative design allows for precise alignment of the main spindles, enhancing the overall functionality of the machine tool.
Career Highlights
Throughout his career, Sakae Nakazawa has worked with prominent companies such as Citizen Machinery Co., Ltd. and Citizen Watch Company, Ltd. His experience in these organizations has contributed to his expertise in machine tool technology and innovation.
Collaborations
Nakazawa has collaborated with notable coworkers, including Masao Sakai and Takaichi Nakaya. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Sakae Nakazawa's contributions to machine tool technology through his innovative patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in machining processes and equipment design.