Location History:
- Anjyo, JP (2009 - 2011)
- Anjo, JO (2015)
- Anjo, JP (2005 - 2021)
Company Filing History:
37 out of 2,064 
11 out of 36,499 
Years Active: 2005-2021
Title: Innovations of Yoichi Tajima: A Pioneer in Control Device Technology
Introduction: Yoichi Tajima, located in Anjo, Japan, is an accomplished inventor recognized for his significant contributions to control device technology. With an impressive portfolio of 38 patents, Tajima has been instrumental in the advancement of hydraulic systems and electric motor controls.
Latest Patents: Among his recent innovations, Tajima has developed a remarkable control device that features an electronic control unit. This unit is designed to execute specific control, effectively altering the state of a hydraulic circuit in a hydraulic control device. When activated, this control causes an increase in hydraulic pressure at the discharge port while the electric motor operates at a designated first rotational speed. The invention includes torque increase control, which ensures that the electric motor's torque begins to rise prior to the hydraulic pressure increase, enhancing overall efficiency.
Additionally, Tajima's work on inverter control devices and vehicle control devices is noteworthy. His invention regulates a rotary electric machine drive device equipped with an inverter housing multiple switching elements. This device is capable of executing active short circuit control in high rotational speed zones and shut-down control in lower speed regions, adapting to the rotary electric machine's operating conditions for optimal performance.
Career Highlights: Yoichi Tajima has made significant career advancements through his roles at prominent companies, including Aisin AW Co., Ltd. and Toyota Motor Corporation. His experiences in these leading automotive firms have undoubtedly sharpened his expertise and fostered his innovative spirit.
Collaborations: Throughout his career, Tajima has collaborated with notable professionals in the field, including Yomei Hakumura and Yasuhiko Kobayashi. These partnerships reflect the collaborative nature of technological advancement and the sharing of innovative ideas that drive progress.
Conclusion: Yoichi Tajima stands out as a key figure in the realm of invention, particularly in control device technology for hydraulic systems and electric motors. His extensive patent portfolio and collaborations underscore his commitment to innovation and excellence in engineering. As he continues to innovate, his contributions will undoubtedly leave a lasting impact on the industry.
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.