Otsu, Japan

Yoji Maejima

This inventor holds 4 USPTO granted patents. Top assignees: Hokuyo Automatic Co., Ltd., Daifuku Co., Ltd.. Active years: 2003-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoji Maejima. Retrieved from https://idiyas.com/inventor/yoji-maejima

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Osaka-fu, JP (2003)
  • Otsu, JP (2012 - 2014)
  • Osaka, JP (2019)

Company Filing History:


Years Active: 2003-2019

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4 patents (USPTO):Explore Patents

Title: Yoji Maejima: Innovating Conveyance Control Technology

Introduction

Yoji Maejima, an inventor based in Otsu, Japan, has made significant contributions to the field of conveyance control technology. With a total of four patents to his name, his work primarily focuses on enhancing the efficiency and safety of automated transport systems.

Latest Patents

One of Maejima's latest innovations is the "Conveyance control device and merging point passing method for carrying cart." This invention executes a series of control steps designed to facilitate the smooth passage of carrying carts at merging points. It includes the detection of obstacles and the establishment of local wireless communications with other carts in the vicinity. This method ensures that multiple carts can navigate merging areas safely by prioritizing passage based on predetermined settings after performing a successful communication handshake.

Another noteworthy patent is his "Optical data transmission device," which improves the reliability of data transmission within automated conveyance systems. By utilizing data conversion and optical communication control units, this system ensures the seamless transfer of written data while allowing for emergency stop communications through isolated optical signals.

Career Highlights

Throughout his career, Yoji Maejima has worked with notable companies such as Hokuyo Automatic Co., Ltd. and Daifuku Co., Ltd. His experiences in these organizations have significantly shaped his expertise in automation and conveyance technology, leading to his numerous inventions.

Collaborations

Maeda has frequently collaborated with talented engineers and inventors, including Masanori Hino and Tadashi Nishikawa. Their combined skills and insights have undoubtedly contributed to the advancements in conveyance control systems and have played a critical role in the development of his patents.

Conclusion

Yoji Maejima exemplifies the qualities of a pioneering inventor in the field of conveyance technology. His innovative patents not only highlight his creativity and engineering prowess but also contribute to the ongoing evolution of automated systems. With his continued dedication to his craft, Maejima's future work will likely yield even more groundbreaking advancements in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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