Location History:
- Saitama, JP (1989 - 2006)
- Wako, JP (2000 - 2018)
Company Filing History:
16 out of 10,092 
9 out of 21,831 
1 out of 164 
Years Active: 1989-2018
Title: Tomoaki Ishikawa: Innovator in Variable Transmission Technology
Introduction: Tomoaki Ishikawa, based in Wako, Japan, is a notable inventor with an impressive portfolio of 25 patents. His contributions primarily focus on advancements in mechanical engineering, particularly in the areas of continuously variable transmissions and hydraulic systems.
Latest Patents: Among his latest innovations, Ishikawa has developed a **Belt-type continuously variable transmission for working machines.** This invention allows for the continuous adjustment of the speed reduction ratio between a driven pulley and a drive pulley. It features a regulation mechanism to set a minimum speed reduction ratio, comprising a fixed sheave, a movable sheave that can be adjusted axially, and a coil spring that urges them together. Additionally, the mechanism utilizes a swing arm to control the axial movement range of the movable sheave.
Another significant invention is the **Control system for variable displacement pump.** This control system optimizes the performance of a variable displacement pump used in vehicles, allowing it to switch between full and partial capacity operations. It effectively manages the pump's operations based on the rotational speed of the drive source and the hydraulic oil temperature, minimizing noise during vehicle startup.
Career Highlights: Tomoaki Ishikawa has significantly contributed to the field of engineering through his employment with notable firms such as Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His work has propelled advancements in vehicle technology and demonstrated a clear impact on the industry.
Collaborations: Throughout his career, Ishikawa has collaborated with esteemed colleagues, including Kazuyoshi Miyahara and Sadanori Nishimura. Their teamwork has undoubtedly fostered a rich environment for innovation, leading to the development of groundbreaking technologies within the automotive sector.
Conclusion: Tomoaki Ishikawa's innovative spirit and dedication to advancing mechanical engineering are evident through his extensive patent portfolio. His contributions to continuously variable transmission systems and hydraulic control mechanisms highlight his role as a significant player in the industry. As he continues to innovate, the impact of his work will likely resonate throughout the field of engineering for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.