This inventor holds 36 USPTO granted patents and 5 published patent applications and 6 EPO patents, primarily in Rare Earth Magnets. Top assignees: Tdk Corporation, Other. Active years: 2001-2020.
Location History:
- Chiba, JP (2001)
- Tokyo, JP (2004 - 2020)
Company Filing History:
35 out of 8,238 
1 out of 834,411 Years Active: 2001-2020
Areas of Expertise:
Title: **Chikara Ishizaka: Innovator in Rare Earth Magnet Technologies**
Introduction
Chikara Ishizaka, based in Tokyo, Japan, is a prolific inventor with a remarkable portfolio of 36 patents. His contributions to the field of materials science, particularly in the development of rare earth magnets, have advanced the technology and its applications across various industries.
Latest Patents
Ishizaka’s latest inventions include groundbreaking work on rare earth based magnets. One of his notable patents details a rare earth based magnet designed to minimize the high temperature demagnetization rate, even in the absence of heavy rare earth elements like Dysprosium (Dy) and Terbium (Tb). This innovation focuses on the structural characteristics of the magnet, emphasizing the circular degree of the main phase crystal grains to achieve an optimized roundness of 0.24 or greater.
Another significant invention is the R-T-B based sintered magnet, which showcases a unique coercivity profile. It includes a first main surface with higher coercivity compared to its side surfaces, meeting specific performance criteria. This advancement enhances the operational effectiveness of magnets in various applications.
Career Highlights
Chikara Ishizaka has contributed extensively to the industry, notably as an employee of TDK Corporation. His work has substantially influenced the magnet technology sector, showcasing an ability to innovate and solve complex problems associated with rare earth materials.
Collaborations
Throughout his career, Ishizaka has collaborated with talented professionals, including Eiji Kato and Yoshinori Fujikawa. These partnerships have likely fostered a creative environment that has propelled their combined research and development efforts forward.
Conclusion
Chikara Ishizaka stands out as a leading inventor in the development of advanced rare earth magnet technologies. His impressive patent portfolio and collaborative approach reflect a commitment to innovation in materials science, positioning him as an influential figure in the ongoing evolution of magnet technology. As he continues to push the boundaries of what is possible within this field, his work will undoubtedly have lasting implications for various industries.