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For the Inventor, By the Inventor

Hiroshima, Japan

Morio Umeda

This inventor holds 4 USPTO granted patents. Top assignee: Mazda Motor Corporation. Active years: 1987-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Morio Umeda. Retrieved from https://idiyas.com/inventor/morio-umeda

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 131(Granted Patents)


Company Filing History:

goldMedal4 out of 4,748 
 
Mazda Motor Corporation
 patents

Years Active: 1987-1989

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4 patents (USPTO):Explore Patents
1. 4831710 - Method of assembling a vehicle door (1989-05-23),
2. 4700982 - Open-top vehicle having a power operated roof structure (1987-10-20),
3. 4695089 - Upper body structure of an open-top vehicle (1987-09-22),
4. 4651470 - Vehicle door structure having plastic door panel (1987-03-24),

Title: Morio Umeda: Innovator in Vehicle Door Construction

Introduction

Morio Umeda is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the automotive industry, particularly in the design and assembly of vehicle doors. With a total of 4 patents to his name, Umeda's innovations have enhanced both the functionality and serviceability of vehicle components.

Latest Patents

One of Umeda's latest patents is a method of assembling a vehicle door. This innovative construction includes an inner door panel and an outer door panel, with a skeleton positioned between them. The assembly process involves mounting interior door parts on the skeleton before attaching the inner door panel. This design allows for a less labor-intensive assembly of the side door, improving overall serviceability. Another significant patent is for an open-top vehicle featuring a power-operated roof structure. This vehicle includes a foldable hood supported by a U-shaped pillar, with a linkage system for extending and folding the hood. A reversible motor is installed on each side to actuate the linkage, and a motor control circuit ensures that the motor does not operate when the vehicle exceeds a certain speed.

Career Highlights

Morio Umeda is currently employed at Mazda Motor Corporation, where he continues to innovate and contribute to the automotive field. His work has been instrumental in developing new technologies that enhance vehicle design and functionality.

Collaborations

Umeda has collaborated with several talented individuals in his field, including Takeshi Konishi and Takanori Tuchiya. These partnerships have fostered a creative environment that encourages the development of groundbreaking automotive technologies.

Conclusion

Morio Umeda's contributions to vehicle door construction and open-top vehicle designs exemplify his innovative spirit and dedication to improving automotive technology. His patents reflect a commitment to enhancing the efficiency and serviceability of vehicle components.

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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