Kasama, Japan

Kazuhira Ojima

This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi, Ltd., Hitachi Mito Engineering, Hitachi Mito Engineering Co., Ltd.. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhira Ojima. Retrieved from https://idiyas.com/inventor/kazuhira-ojima

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 = 3.8

ph-index = 5

Forward Citations = 68(Granted Patents)


Company Filing History:


Years Active: 1991-2002

Loading Chart...
Loading Chart...
9 patents (USPTO):Explore Patents

Title: Kazuhira Ojima: Innovator in Escalator Technology

Introduction

Kazuhira Ojima is a notable inventor based in Kasama, Japan. He has made significant contributions to escalator technology, holding a total of 9 patents. His innovative designs focus on improving the functionality and efficiency of escalators.

Latest Patents

One of Ojima's latest patents involves an escalator design that features a unique arrangement of step forward wheels. In this design, the rotation locus of the step forward wheels at both end portions is shifted toward the ends of the escalator. This adjustment allows for a straight distance between forward wheels of adjacent steps to be extended, reducing interference between steps. Additionally, he has developed an escalator apparatus that can accommodate large wheelchairs or handcarts without requiring additional installation space. This is achieved by allowing the step boards of adjacent steps to move upward and downward.

Career Highlights

Kazuhira Ojima has worked with prominent companies, including Hitachi, Ltd. His career has been marked by a commitment to enhancing escalator technology through innovative designs and practical solutions.

Collaborations

Throughout his career, Ojima has collaborated with notable colleagues such as Chuichi Saito and Kazutoshi Takeda. Their combined expertise has contributed to the advancement of escalator technology.

Conclusion

Kazuhira Ojima's contributions to escalator technology demonstrate his innovative spirit and dedication to improving public transportation systems. His patents reflect a deep understanding of engineering principles and a commitment to enhancing user experience.

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]
Loading…