Tokyo, Japan

Keiji Yamabe


Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Tokyo, JP (1990)
  • Ohtemachi, JP (1991)

Company Filing History:


Years Active: 1990-1991

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2 patents (USPTO):Explore Patents

Title: Innovations in Sorting Technology: The Contributions of Keiji Yamabe

Introduction: Keiji Yamabe, an accomplished inventor based in Tokyo, Japan, has made significant strides in the field of sorting technology. With a total of two patents to his name, his innovative designs enhance the efficiency of article sorting systems, reflecting his commitment to advancing technological solutions.

Latest Patents: Yamabe's latest patents include two unique article sorting devices. The first device involves a pair of sorting gates attached to horizontally moving shafts. This apparatus interrupts the motion of a sorting pin, utilizing one of the shafts as a stopper for the other, which improves the sorting process's precision. The second device features endless chains that rotate in the same direction, equipped with article conveying boards that are adjustable. This inventive system includes sorting pins and guiding members, effectively directing the sorting pins to predetermined paths, with conical sorting pins designed to work in conjunction with wedge-shaped slanted parts, enhancing sorting efficacy.

Career Highlights: As an inventor at Nihon Cement Co., Ltd., Keiji Yamabe has focused on developing innovative solutions that contribute to the efficiency of operations. His work in sorting technology highlights his ability to identify and address challenges within industrial processes, establishing him as a key figure in this domain.

Collaborations: Yamabe collaborates closely with his colleague, Masao Yoshinaga. Together, they work on refining sorting technologies, leveraging their combined expertise to push the boundaries of what is achievable in this field.

Conclusion: Keiji Yamabe’s contributions to sorting technology exemplify the importance of innovation in enhancing industrial processes. His patents not only signify his inventive prowess but also represent a commitment to improving efficiency and precision in sorting operations. Through his work at Nihon Cement Co., Ltd. and collaborations with skilled professionals like Masao Yoshinaga, Yamabe continues to lead advancements in sorting technology.

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