Location History:
- Omuta, JP (1987 - 1988)
- Oomuta, JP (1983 - 1989)
Company Filing History:
3 out of 3 
2 out of 2 
2 out of 3 Years Active: 1983-1989
Title: Innovations of Ryuji Yamada: A Pioneer in Mining Technology
Introduction
Ryuji Yamada, an accomplished inventor based in Omuta, Japan, has made significant contributions to the field of mining technology. With a remarkable portfolio of four patents, Yamada's inventions focus on improving the efficiency and safety of mining operations. His innovative designs have paved the way for advancements in machinery that are critical for the industry's growth.
Latest Patents
Yamada's latest patents showcase his expertise and commitment to innovation. The first, "Double Ended Ranging Drum Shearer and Method of Controlling Working," introduces a shearer body equipped with two movable drums. This design incorporates detectors that monitor various parameters of the shearer body’s position, inclination, and drum height. By utilizing these detectors, a controlling device can adjust the drum heights to maintain a consistent working height of the mining face.
His second patent, "Double Ranging Drum Cutter Having Load Controller," enhances operational efficiency through a unique load detector system. This system integrates a load sensor and a vibration sensor, enabling feedback control for both the cutter drum height and the running speed of the cutter. This innovation allows operators, regardless of skill level, to efficiently manage the equipment while reducing the risk of overload on the cutter drum.
Career Highlights
Throughout his career, Ryuji Yamada has collaborated with notable organizations such as Kabushiki Kaisha Mitsui Miike Seisakusho and Zaidan Hojin Sekitan Gijutsu Kenkyusho. His work within these companies has been instrumental in the development and application of his patented technologies.
Collaborations
In his journey, Yamada has worked alongside talented individuals, including Koji Sato and Hiroshi Kuroda. Their teamwork has undoubtedly contributed to the innovative spirit that drives Yamada's projects and enhances their impact in the mining sector.
Conclusion
Ryuji Yamada exemplifies the spirit of innovation with his groundbreaking inventions in mining technology. His patents not only improve operational safety and efficiency but also demonstrate the potential for ongoing advancements in the industry. As technology continues to evolve, Yamada's contributions will undoubtedly influence future mining practices and inspire new generations of inventors.
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.