Saitama, Japan

Hiroaki Oba

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Honda Motor Co., Ltd., Nec Corporation. Active years: 1997-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Oba. Retrieved from https://idiyas.com/inventor/hiroaki-oba-3ow2rb8p

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 = 1.3

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1997-2020

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2 patents (USPTO):Explore Patents

Title: Hiroaki Oba: Innovator in Electric Vehicle Technology and Oscillator Design

Introduction

Hiroaki Oba is a notable inventor based in Saitama, Japan. He has made significant contributions to the fields of electric vehicle technology and electronic oscillators. With a total of 2 patents to his name, Oba's work reflects his innovative spirit and technical expertise.

Latest Patents

One of Hiroaki Oba's latest patents is for an electric vehicle drive device. This device features a swing arm that includes a left-side arm portion, which is pivotally supported by a pivot shaft. The design incorporates a main wall that extends in a front-rear direction and a cross arm portion that also pivots on the same shaft. A guide hole is formed through the main wall, allowing a harness to extend along the side of the main wall and through the guide hole. This innovative design enhances the functionality of electric vehicles.

Another significant patent by Oba is a voltage-controlled oscillator that includes first and second varactors. This Colpitts voltage-controlled oscillator features a variable capacitance section connected in parallel to a resonator. The design allows for differing voltage/capacitance ratios, enabling precise frequency control. By applying control voltages to the varactors, the oscillator can be finely tuned for various applications.

Career Highlights

Hiroaki Oba has worked with prominent companies such as NEC Corporation and Honda Motor Co., Ltd. His experience in these organizations has contributed to his development as an inventor and innovator in the technology sector.

Collaborations

Throughout his career, Oba has collaborated with notable coworkers, including Shigeru Otsuka and Yoshinobu Honda. These partnerships have likely influenced his work and led to advancements in his projects.

Conclusion

Hiroaki Oba's contributions to electric vehicle technology and oscillator design showcase his innovative capabilities. His patents reflect a commitment to advancing technology in meaningful ways.

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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