Tokyo, Japan

Daisaku Ogasahara

This inventor holds 39 USPTO granted patents and 6 published patent applications and 4 EPO patents, primarily in Optical Communication. Top assignee: Nec Corporation. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daisaku Ogasahara. Retrieved from https://idiyas.com/inventor/daisaku-ogasahara

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

USPTO Granted Patents = 39 

% Patents Active = 71.8

 

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 100(Granted Patents)


Location History:

  • Minato-ku, JP (2011)
  • Tokyo, JP (2010 - 2024)

Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Signal Processing
Optical Communication
Frequency Compensation
Polarization Division Multiplexing
Equalization Signal Processor
Coherent Receiver
Packet Ring Network
Light Transmission
Communication Method
Optical Receiver
Network System
Node
39 patents (USPTO):Explore Patents

Title: Innovations of Daisaku Ogasahara in Frequency Deviation Compensation

Introduction

Daisaku Ogasahara is a prominent inventor based in Tokyo, Japan, who has made significant contributions to the field of signal processing. With an impressive portfolio of 36 patents, he has demonstrated a profound ability to innovate and improve existing technologies, particularly in the area of frequency deviation compensation.

Latest Patents

Among his latest patents, the frequency deviation compensation scheme and method stand out. This invention addresses the challenges that arise when compensating for frequency deviation through frequency shift. Specifically, it tackles the issue of phase offset that occurs between adjacent input blocks, which can lead to errors in the reconstructed bit sequence. The patented frequency deviation compensation system includes a frequency deviation compensation means to adjust the signal for deviations and a phase offset compensation means to correct the resulting phase shifts due to the frequency adjustment.

Career Highlights

Daisaku has dedicated his career to refining technologies that enhance the efficacy and reliability of signal transmission. His work at NEC Corporation has enabled him to develop cutting-edge solutions that are crucial for advancing communication systems. His persistent pursuit of innovation has positioned him among the leading inventors in his field.

Collaborations

Daisaku Ogasahara has collaborated with several notable figures in the industry, including Junichi Abe and Masahiro Sakauchi. These collaborations have fostered a dynamic environment for problem-solving and innovation, allowing for the cross-pollination of ideas and techniques that contribute to the development of advanced technologies.

Conclusion

In summary, Daisaku Ogasahara's contributions to frequency deviation compensation showcase his innovative spirit and technical expertise. His patents are not only indicative of his creativity but also play a significant role in enhancing signal processing technologies. As he continues to shape the future of this field, Ogasahara remains an influential figure in the world of inventions and patent development.

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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