This inventor holds 25 USPTO granted patents and 1 published patent application and 21 EPO patents, primarily in Excavation Technology. Top assignees: Sumitomo(s.h.i.) Construction Machinery Co., Ltd., Sumitomo Construction Machinery Co., Ltd., Sumitomo Construction Machinery. Active years: 2014-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
14 out of 118 
9 out of 73 
2 out of 28 
Years Active: 2014-2026
Areas of Expertise:
Title: The Innovative Mind of Ryuji Shiratani: A Look at His Contributions to Shovel Technology
Introduction: Ryuji Shiratani, a prominent inventor based in Chiba, Japan, has made significant strides in the realm of construction machinery with a remarkable portfolio of 19 patents. His inventive spirit has led to the development of innovative technologies that enhance the efficiency and functionality of shovels used in various applications.
Latest Patents: Among Ryuji Shiratani’s latest patents are groundbreaking inventions, including a shovel, a display device for shovel, and a control device for shovel. The shovel is designed to improve operational efficiency, featuring a lower travel body and an upper swivel body that allows for enhanced maneuverability. Notably, the shovel includes an attachment that can be controlled through a posture detecting device, which generates a virtual plane based on the position of a specific portion of the attachment. Additionally, the control device aids operators in maintaining a level difference between adjacent finished surfaces, ensuring a precise and professional finish in construction projects.
Career Highlights: Ryuji has contributed to the success of esteemed companies such as Sumitomo (S.H.I.) Construction Machinery Co., Ltd. and Sumitomo Construction Machinery Co., Ltd. Through his work, he has played a vital role in advancing construction technology, allowing for greater precision and efficiency in the industry.
Collaborations: Throughout his career, Ryuji Shiratani has collaborated with talented individuals, including coworkers Hideto Magaki and Kiminori Sano. These partnerships have fostered an environment of creativity and innovation, leading to the successful development of numerous patented technologies in the field of construction machinery.
Conclusion: Ryuji Shiratani stands out as an inventive force within the construction machinery industry. His contributions, particularly in advancing shovel technology, demonstrate his commitment to enhancing the functionality and efficiency of essential tools used in construction. With a total of 19 patents to his name, Ryuji’s innovative spirit continues to inspire future generations of inventors and engineers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile