Location History:
- Aichi, JP (1994 - 1997)
- Nagoya, JP (1997)
- Tokyo, JP (2004)
Company Filing History:
6 out of 21,351 
1 out of 177 
Years Active: 1994-2004
Title: Seisuke Tsutsumi: Innovator in Electric Motor Technology
Introduction
Seisuke Tsutsumi is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of electric motor technology, holding a total of 6 patents. His innovative designs have advanced the capabilities of injection molding machines and electric motor controllers.
Latest Patents
One of Tsutsumi's latest patents is an electric injection molding machine. This machine features a screw that can be moved within a cylinder, along with a pressure commanding device that generates a pressure command value applied to the screw. It includes a pressure sensor for sensing the pressure applied to the screw, a pressure subtracter for calculating the deviation between the command value and the sensed value, and a pressure amplifier that amplifies this deviation. The system is driven by a servo motor based on the output of the pressure amplifier, allowing for precise control of the injection molding process.
Another significant patent is for an electric motor controller that has independent responses to instructions. This controller utilizes a differential circuit to obtain a differential signal for a speed instruction signal. A first speed control circuit generates a control signal, which is summed to create a first torque signal. The system simulates speed and torque signals to ensure that the electric motor generates torque that follows the instruction signal accurately.
Career Highlights
Throughout his career, Seisuke Tsutsumi has worked with prominent companies such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Engineering Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the electric motor sector.
Collaborations
Tsutsumi has collaborated with notable coworkers, including Yasushi Ikawa and Nobuyuki Ito. Their combined expertise has fostered innovation and development in their respective fields.
Conclusion
Seisuke Tsutsumi's contributions to electric motor technology and injection molding machines highlight his role as a leading inventor. His patents reflect a commitment to advancing engineering solutions that enhance efficiency and performance in industrial applications.
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.