Location History:
- Kadoma, JP (1996 - 1999)
- Kanagawa, JP (1993 - 2000)
- Kawasaki, JP (1992 - 2003)
- Yokohama, JP (1998 - 2017)
Company Filing History:
7 out of 1,009 
4 out of 1,623 
3 out of 2,737 
Years Active: 1992-2017
Title: The Innovative Contributions of Koji Yamashita
Introduction: Koji Yamashita, an esteemed inventor based in Yokohama, Japan, has made significant contributions to the field of hydraulic drive systems. With a remarkable portfolio of 19 patents, his inventions showcase ingenuity and advanced engineering principles that address modern mechanical challenges.
Latest Patents: Among Yamashita's most notable patents is a hydraulic drive system that utilizes a shuttle valve to effectively manage flowpaths based on hydraulic pressure differentials. This innovative approach enhances the efficiency of hydraulic operations by ensuring optimal fluid movement. Additionally, another patent describes a comprehensive hydraulic driving system, including a hydraulic pump, driving source, hydraulic cylinder, and an integrated control mechanism that regulates fluid flow with precision. These advancements represent a leap forward in hydraulic technology, paving the way for faster and more efficient machinery.
Career Highlights: Throughout his career, Koji Yamashita has worked with notable companies such as Komatsu and Matsushita Electric Works, Ltd. His role in these organizations has allowed him to apply his inventive skills to real-world applications, leading to advancements in hydraulic systems and further solidifying his reputation as a leading inventor in the field.
Collaborations: Yamashita's collaborative efforts with peers like Teruo Akiyama and Shinichi Shinozaki have also played a crucial role in his innovative work. These partnerships have fostered an environment of creativity and shared knowledge, contributing to the success of numerous projects and patents.
Conclusion: Koji Yamashita’s contributions to hydraulic technology are a testament to his ingenuity and dedication as an inventor. With 19 patents to his name, his work continues to influence the industry and inspire future innovations in hydraulic systems. His career reflects the power of collaboration and the impact of well-designed inventions on the way we interact with machinery.