This inventor holds 30 USPTO granted patents, primarily in Automotive Braking Systems. Top assignees: Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1976-1998.
Location History:
- Toyota, JA (1976 - 1978)
- Aichi-ken, JP (1996)
- Toyota, JP (1978 - 1998)
Company Filing History:
23 out of 5,207 
16 out of 1,838 
5 out of 38,774 
Years Active: 1976-1998
Areas of Expertise:
Title: Innovations by Masayoshi Katagiri in the Automotive Sector
Introduction
Masayoshi Katagiri, an innovative inventor based in Toyota, Japan, holds an impressive portfolio of 30 patents. He has made significant contributions to the automotive industry, particularly in the field of braking systems. His inventions are characterized by their reliability, effectiveness, and compact design, showcasing his dedication to enhancing vehicle safety and performance.
Latest Patents
Among his latest inventions is the "Vehicular foot-operated parking brake control apparatus." This apparatus is designed to provide reliable and easy operation while minimizing size and stroke loss. It features a mounting bracket that allows for secure attachment to the vehicle body. The pedal, which is rotatably mounted on the bracket, connects to the parking brake control cable. An innovative aspect of this design includes a system of ratchet teeth and a pawl that engages and disengages the parking brake with simple pedal pressure.
Another recent patent is the "Disk brake rotor exhibiting different modes of vibration on opposite sides." This disc brake rotor is engineered with a unique configuration of radial grooves that are equiangularly spaced on opposite sides. The differing angular intervals of the grooves help to suppress stationary wave mode vibrations during braking, thereby eliminating brake squeals. This innovative design underscores Katagiri’s commitment to improving braking efficiency and comfort.
Career Highlights
Masayoshi Katagiri's career has been marked by significant achievements within notable organizations such as Aisin Seiki and Toyota Motor Corporation. His extensive experience in the automotive industry has enabled him to develop advanced technologies that enhance vehicle performance and safety.
Collaborations
Throughout his career, Katagiri has collaborated with renowned professionals such as Toshio Kondo and Osamu Ogura. Working alongside these talented individuals has fostered an environment of innovation, leading to breakthrough designs and engineering solutions in the automotive sector.
Conclusion
Masayoshi Katagiri's inventive spirit and dedication to the automotive industry have resulted in numerous patents that enhance vehicle functionality and safety. His latest innovations reflect his expertise and commitment to excellence, positioning him as a key figure in automotive engineering. As technology continues to evolve, Katagiri's contributions remain vital to shaping the future of vehicle design and performance.