Company Filing History:
1 out of 556 
1 out of 134 
1 out of 74 Years Active: 1991-2000
Title: Hisakazu Muta: Innovator in Piston Technology
Introduction
Hisakazu Muta is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 3 patents. His work focuses on enhancing the performance and efficiency of pistons used in engines.
Latest Patents
One of Hisakazu Muta's latest patents is a design for a piston that features a ring land extending to a crown, a pin boss located on the lower side of the ring land, and a skirt section that extends to the ring land. This innovative skirt section is designed so that the area of the thrust side skirt is greater than that of the counter-thrust side skirt. The design includes a gradual variation in wall thickness, optimizing the piston for better performance. Another significant patent involves a knock pin arrangement for a piston ring, which includes a circumferential groove for the piston ring and a knock pin that prevents the rotation of the piston ring. This design ensures that there is no mechanical interference between the walls of the piston ring groove and the knock pin.
Career Highlights
Throughout his career, Hisakazu Muta has worked with several prominent companies, including Unisia Jecs Corporation and Atsugi Unisia Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in piston technology.
Collaborations
Hisakazu Muta has collaborated with notable colleagues such as Eiji Okamura and Hiroyuki Watanabe. These partnerships have fostered innovation and development in their respective fields.
Conclusion
Hisakazu Muta's contributions to piston technology demonstrate his commitment to innovation and engineering excellence. His patents reflect a deep understanding of mechanical design and a drive to improve engine performance.