Location History:
- Shiga, JP (2021)
- Omihachiman, JP (2008 - 2022)
Company Filing History:
11 out of 1,498 
9 out of 58 Years Active: 2008-2022
Title: **Hajime Yoshida: Innovator in Construction Machinery**
Introduction
Hajime Yoshida is a prominent inventor based in Omihachiman, Japan, with an impressive portfolio of 20 patents. His focus on improving construction machinery has led to significant innovations that enhance both safety and functionality in the industry.
Latest Patents
One of Yoshida's latest patents involves a groundbreaking construction machine designed to prevent the machine body from being lowered when a misoperation occurs by the operator while in a jacked-up state. This invention allows for effective leveling operations by transitioning the blade into a float state when not in the jacked-up condition. The hydraulic excavator features a controller that determines the jacked-up status, regulating a float valve accordingly. In one state, the controller maintains the float valve to prevent blade control, ensuring safety. In another, it allows the blade's operation when the machine is not elevated.
Another notable patent from Yoshida is the hydraulic drive system for construction machinery. This system enables both leveling work and jack-up operations with the blade in a float state while preventing accidental falls due to erroneous operator actions. Key components include a float switch, a float valve, and a controller, working together to provide a seamless transition between operational states for enhanced safety and efficiency.
Career Highlights
Throughout his career, Hajime Yoshida has made notable contributions to the field of construction machinery. He has had impactful roles in companies like Hitachi Construction Machinery Co., Ltd. and Hitachi Construction Machinery Tierra Co., Ltd. His work in these organizations has been instrumental in developing innovative solutions that address industry challenges.
Collaborations
Yoshida has collaborated with talented professionals, including Shuuhei Noguchi and Yoshifumi Takebayashi. These partnerships have fostered a creative environment where innovative ideas flourish, contributing to the development of technologies that enhance construction operations.
Conclusion
In summary, Hajime Yoshida stands out as a distinguished inventor within the realm of construction machinery. His 20 patents, characterized by cutting-edge innovations that prioritize safety and operability, reflect his dedication to advancing the industry. As technology continues to evolve, Yoshida's contributions are sure to leave a lasting impact on the future of construction machinery.
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.