Toyota, Japan

Suminobu Otsubo

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Kyosan Denki Co., Ltd., Toyota Boshoku Kabushiki Kaisha. Active years: 2009-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Suminobu Otsubo. Retrieved from https://idiyas.com/inventor/suminobu-otsubo

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


% Patents Active = 33.3


Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 2009-2011

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3 patents (USPTO):Explore Patents

Title: Suminobu Otsubo: Innovator in Diesel Filter Technology

Introduction

Suminobu Otsubo is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of diesel filter technology, holding a total of 3 patents. His innovative designs have improved the efficiency and functionality of diesel filters, making them more effective in various applications.

Latest Patents

One of Otsubo's latest patents involves a diesel filter that includes a filter member and a water reservoir formed below the filter member. This design features a case, a cap for closing the opening of the case, an element, and an element-holding member for securing the upper part of the element. The element-holding member has an opening that allows fuel to flow out, directing the fuel introduced from a fuel inlet port to the water reservoir via a passage formed between the inner peripheral surface of the case and the outer peripheral surface of the element. Another patent describes a diesel filter that consists of a case, a cap for closing the opening of the case, an element housed within the case, and an attachment member with a holding portion and a bracket. This design allows for easy replacement of the element while the attachment member remains fixed to a predetermined portion.

Career Highlights

Otsubo has worked with prominent companies in the automotive and electrical industries, including Toyota Motor Corporation and Kyosan Denki Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in diesel filter technology.

Collaborations

Throughout his career, Otsubo has collaborated with talented individuals such as Satoshi Nagata and Yoshiharu Matsushita. These partnerships have contributed to the advancement of his inventions and the overall progress in the field.

Conclusion

Suminobu Otsubo is a distinguished inventor whose work in diesel filter technology has made a significant impact. His innovative designs and collaborations with industry professionals continue to shape the future of diesel filtration systems.

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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