Tokyo, Japan

Akira Toyama

This inventor holds 25 USPTO granted patents and 1 published patent application, primarily in Digital Signal Processing. Top assignees: Nippon Precision Circuits Inc., Yokogawa Electric Corporation, Matsushita Electric Industrial Co., Ltd.. Active years: 1980-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Toyama. Retrieved from https://idiyas.com/inventor/akira-toyama

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

USPTO Granted Patents = 25 

% Patents Active = 72.0

Average Co-Inventor Count = 2.6

ph-index = 8

Forward Citations = 197(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2002 - 2003)
  • Chigasaki, JP (2000 - 2009)
  • Tokyo, JP (1980 - 2010)
  • Musashino, JP (2007 - 2011)

Company Filing History:


Years Active: 1980-2011

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Areas of Expertise:
Clock Recovery
Light Modulating
Pulse Pattern Generation
Frequency Synthesizer
Digital Data Processing
Noise Shaper
Delta Sigma Converter
Waveform Compression
Timing Generator
Sampling Rate Converter
Optical Communication
Inspection Apparatus
25 patents (USPTO):Explore Patents

Title: Akira Toyama: Innovator in Clock Recovery and Light Modulation Technologies

Introduction: Akira Toyama, based in Tokyo, Japan, is a notable inventor with a remarkable portfolio of 25 patents. His inventions primarily focus on advanced communication technologies, particularly in clock recovery apparatuses and light modulation systems essential for optical communication.

Latest Patents: Among Toyama's latest contributions to the field are two significant patents. The first, a **Clock Recovery Apparatus**, is designed to generate a recovery clock from received data using a first and a second oscillator. The first oscillator produces a signal that synchronizes with incoming data at a specific level, while the second oscillator creates a recovery clock signal that aligns with the first when conditions are met. The second signal operates at a distinct frequency, ensuring synchronization with the first signal.

The second patent, a **Light Modulating Apparatus**, describes an external modulating device utilized in optical communication systems. This innovative apparatus incorporates various components, including an LN modulator, a light branching circuit, a photoelectric converter, and a bias control circuit. These elements work together to effectively drive the LN modulator in response to input electric signals, ensuring optimal functioning in communication applications.

Career Highlights: Akira Toyama has made significant strides in his career by working with prominent companies such as Nippon Precision Circuits Inc. and Yokogawa Electric Corporation. His experience in these organizations has allowed him to hone his skills and contribute meaningfully to technological advancements in the field.

Collaborations: Collaboration has been key to Toyama's success, as he has worked alongside talented individuals like Minoru Takeda and Akira Miura. Their collective efforts have fostered an environment of innovation, leading to patented technologies that continue to impact the industry.

Conclusion: Akira Toyama stands out as a prominent figure in technological invention, with his 25 patents showcasing his dedication to enhancing communication technologies. His innovative spirit, coupled with fruitful collaborations and a solid career foundation, cements his status as an influential inventor 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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