Location History:
- Chigasaki, JP (2001 - 2003)
- Kanagawa, JP (1991 - 2004)
- Kanagawa-ken, JP (2001 - 2005)
- Fujisawa, JP (2003 - 2011)
- Tokyo, JP (2004 - 2022)
Company Filing History:
40 out of 2,510 
2 out of 3,509 
Years Active: 1991-2022
Areas of Expertise:
Title: Kazuto Hirokawa: A Pioneer in Substrate Technology
Introduction
Kazuto Hirokawa, based in Tokyo, Japan, is an esteemed inventor with a remarkable portfolio of 40 patents. His work primarily focuses on innovative solutions in substrate holding apparatuses and ion exchange technologies, showcasing his dedication to enhancing industrial processes.
Latest Patents
Among Hirokawa's most recent inventions are two significant patents. The first is an **Elastic Membrane and Substrate Holding Apparatus**, which introduces an elastic membrane designed to be easily affixed to a head body of a substrate holding apparatus. This invention effectively minimizes variations in the degree of deformation of the elastic membrane during use, enhancing the efficiency of substrate processing. The elastic membrane features a contact portion that presses against a substrate, ensuring optimal adherence to a polishing pad. Furthermore, the edge circumferential wall of the membrane includes a roughened lip surface that secures it firmly to the apparatus.
The second notable patent is a **Method for Regenerating Ion Exchanger**. This innovative method and device allow for the quick and efficient regeneration of an ion exchanger while reducing the cleaning load and waste disposal challenges. By utilizing a regeneration electrode and a counter electrode, the process effectively restores contaminated ion exchangers while maintaining operational integrity.
Career Highlights
Kazuto Hirokawa has made significant contributions to the industry through his roles at respected companies such as Ebara Corporation and Shimadzu Corporation. His career is marked by a commitment to research and development, pushing the boundaries of existing technology to create practical and impactful inventions.
Collaborations
Throughout his career, Hirokawa has collaborated with notable professionals, including Hirokuni Hiyama and Yutaka Wada. These collaborations have not only fostered innovation but have also contributed to the advancement of technology in their respective fields.
Conclusion
Kazuto Hirokawa stands out as a distinguished inventor in the realm of substrate technology and ion exchange processes. With 40 patents under his name, he continues to inspire future innovations and demonstrates the vital role of inventors in pushing the boundaries of technology for industrial applications.