Location History:
- Kanagawa, JP (2017)
- Kofu, JP (2018)
Company Filing History:
2 out of 2,028 
1 out of 13,411 
Years Active: 2017-2018
Title: Naoki Shirakawa: Innovator in Electric Brake Systems
Introduction
Naoki Shirakawa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of automotive technology, particularly in electric brake systems. With a total of 2 patents, his innovations are aimed at enhancing the efficiency and responsiveness of braking mechanisms.
Latest Patents
Shirakawa's latest patents include an innovative electric booster and an electric motor-driven booster. The electric booster patent describes a system where an electric motor is controlled by the back and forth movement of an input rod, which is activated by brake pedal operation. This mechanism generates hydraulic brake pressure in a master cylinder, with feedback provided to the input rod through an input piston. The design incorporates a jump-in clearance that allows for adjustable regenerative braking characteristics.
The electric motor-driven booster patent focuses on improving the brake pedal operation feeling by reducing the sharp change of reaction force when the brake pedal is engaged. The system utilizes a ball-screw mechanism to propel a primary piston, generating the desired brake hydraulic pressure. This design also includes a feedback mechanism that enhances the driver's experience during braking.
Career Highlights
Throughout his career, Naoki Shirakawa has worked with notable companies such as Hitachi Automotive Systems and Nissan Motor Company. His experience in these organizations has allowed him to develop and refine his innovative ideas in automotive technology.
Collaborations
Shirakawa has collaborated with talented individuals in the industry, including Hiroshi Shigeta and Kunihiro Matsunaga. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Naoki Shirakawa's contributions to electric brake systems demonstrate his commitment to innovation in automotive technology. His patents reflect a deep understanding of the complexities involved in braking mechanisms, and his work continues to influence the industry.