Location History:
- Kanagawa, JP (1985 - 1991)
- Yokosuka, JP (1987 - 2003)
Company Filing History:
10 out of 136 
1 out of 38 
1 out of 60 Years Active: 1985-2003
Title: The Innovative Contributions of Ichiro Ishiwata
Introduction: Ichiro Ishiwata, an esteemed inventor based in Yokosuka, Japan, has made significant contributions to the field of hydraulic systems and braking technologies. With a commendable record of 12 patents, his work showcases a blend of creativity and technical expertise that has advanced the automotive industry.
Latest Patents: Among his latest patents, Ishiwata's design for a master cylinder stands out. This invention includes a cylinder body with a cylindrical bore and an opening in the wall for a relief port, which communicates with the hydraulic reservoir. A piston is slidably inserted, forming a hydraulic pressure generating chamber. The unique cup seal in this design features a dual lip configuration to effectively manage hydraulic pressure while preventing unwanted fluid communication when conditions are met. Another noteworthy patent is his liquid pressure source unit for a liquid-operated booster. This invention is designed to significantly minimize vibrations and noise caused by pulsation pressure from hydraulic pumps, enhancing the overall functionality and user experience of hydraulic systems.
Career Highlights: Ishiwata has demonstrated his expertise while working at well-known companies such as Nippon Air Brake Co., Ltd. and Bosch Braking Systems Co., Ltd. His tenure at these organizations allowed him to apply his inventive skills in practical settings and contribute to a range of innovative projects.
Collaborations: Throughout his career, Ishiwata has collaborated with talented individuals, including his coworkers Tomomichi Karasuyama and Toshifumi Nishimura. These partnerships have fostered an environment of creativity and shared knowledge, further enriching his contributions to engineering.
Conclusion: Ichiro Ishiwata's dedication to innovation is evident in his extensive portfolio of patents and his impactful career. His inventions in hydraulic systems not only showcase his inventiveness but also play a crucial role in advancing technologies that enhance vehicle performance and safety. As a leading figure in his field, Ishiwata continues to inspire future generations of inventors and engineers.