Saga, Japan

Masayoshi Aikawa

This inventor holds 20 USPTO granted patents, primarily in High Frequency Oscillators. Top assignees: Nihon Dempa Kogyo Co., Ltd., Saga University, Masayoshi Aikawa. Active years: 2004-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Aikawa. Retrieved from https://idiyas.com/inventor/masayoshi-aikawa

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

Calculating rank

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 103(Granted Patents)


Location History:

  • Yokohama, Kanagawa, JP (2004)
  • Yokohama-shi, Kanagawa, JP (2004 - 2005)
  • Kanagawa, JP (2004 - 2005)
  • Yokohama, JP (2006)
  • Saga, JP (2004 - 2009)

Company Filing History:


Years Active: 2004-2009

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Areas of Expertise:
Harmonic Oscillator
Transmission Line Resonator
Planar Antenna
Injection Locked Oscillator
High Frequency Filter
Microstrip Line
Multielement Antenna
Coplanar Line
Slot Line
Planar Circuit
Multi-Element Array
Higher Mode Resonator
20 patents (USPTO):Explore Patents

Title: Masayoshi Aikawa: A Pioneer in Electrical Innovations

Introduction: Masayoshi Aikawa, based in Saga, Japan, is a prominent inventor known for his contributions to electrical engineering and communication technologies. With an impressive portfolio of 20 patents, Aikawa has made significant advancements in the field that are shaping the future of electronic devices.

Latest Patents: Among Aikawa's latest innovations is the "Harmonic oscillator using transmission line resonator." This invention involves a transmission line resonator, where the oscillation frequency is determined by the electrical length of the transmission line. The resonance is enhanced through an active element for oscillation connected to the resonator, thus suppressing the voltage displacement distribution of second harmonic among even-order harmonics. Another notable patent is the "Planar antenna with slot line," which features a substrate with an outer conductor and an inner conductor that together define a looped aperture line. This design facilitates control over the electromagnetic wave field, enhancing communication efficiency.

Career Highlights: Throughout his career, Masayoshi Aikawa has worked with renowned companies, including Nihon Dempa Kogyo Co., Ltd. His work in these organizations has contributed to the advancement of various technologies, allowing for breakthroughs in communication and resonant frequency applications.

Collaborations: Aikawa has collaborated with notable colleagues like Fumio Asamura and Takeo Oita. These professional relationships have fostered a creative environment leading to pioneering inventions in their respective fields.

Conclusion: Masayoshi Aikawa's contributions to electrical engineering underline his role as an influential inventor. His latest patents and collaborations mark significant progress in the innovation landscape, showcasing his dedication to advancing technology. Aikawa's work continues to inspire future generations of inventors and researchers in the field.

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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