Location History:
- Youkaichi, JP (2007 - 2009)
- Higashioumi, JP (2009)
- Kouka, JP (2009)
- Higashiomi, JP (2011 - 2015)
- Tsuchiura, JP (2015)
Company Filing History:
Years Active: 2007-2015
Title: Hajime Ishii: Innovator in Construction Machinery
Introduction
Hajime Ishii is a prominent inventor based in Higashiomi, Japan, known for his significant contributions to the field of construction machinery. With a total of 16 patents to his name, Ishii has developed innovative technologies that enhance the efficiency and functionality of construction equipment.
Latest Patents
Ishii's latest patents include a construction machine featuring an electronically controlled engine. This engine is managed by a control device that regulates a hydraulic motor for traveling, driven by pressurized oil from a hydraulic pump. The design incorporates a traveling speed switching member that allows for at least two stages of speed: low and high. The control device includes an output lowering determination unit that assesses whether the fuel injection amount to the engine is limited, ensuring that the engine output remains in a lowered state. Additionally, a low-speed control unit maintains a low speed even when the traveling speed switching member is set to high speed. Another notable patent involves a control pressure switching valve positioned between a displacement regulator and a pressure control valve. This valve can switch between control positions to manage load sensing control pressure, optimizing the performance of the hydraulic system.
Career Highlights
Throughout his career, Hajime Ishii has worked with notable companies such as Hitachi Construction Machinery Co., Ltd. and Hitachi Construction Machinery Tierra Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of construction technology.
Collaborations
Ishii has collaborated with talented individuals in the industry, including Shogo Kimura and Hiroshi Tabeta. These partnerships have fostered innovation and the development of cutting-edge solutions in construction machinery.
Conclusion
Hajime Ishii's work in the field of construction machinery exemplifies the impact of innovative thinking on industry practices. His patents reflect a commitment to enhancing the efficiency and effectiveness of construction equipment, making him a significant figure in the field.
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.