This inventor holds 1 USPTO granted patent. Top assignees: Kddi Corporation, Nec Platforms, Ltd.. Active years: 2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 476 
1 out of 369 
Years Active: 2023
Title: Koji Igarashi: Patent Inventor in Optical Communications
Introduction
Koji Igarashi is an inventor associated with Fujimino, Japan. His patent work includes technology for processing optical signals in a reception apparatus.
Latest Patents
The available information lists one patent for Igarashi: “Reception apparatus and non-transitory computer readable medium.” The invention describes a system that detects an optical signal and processes its modulated and pilot signals to identify and compensate for frequency errors. It uses discrete Fourier transforms (DFTs) to detect pilot-signal frequencies and guide frequency compensation. The record lists 1 patent for Igarashi.
Career Highlights
Igarashi has been associated with KDDI Corporation and NEC Platforms, Ltd. His listed patent reflects work in optical communications and signal processing.
Collaborations
His listed coworkers include Takehiro Tsuritani and Masahiro Shigihara.
Conclusion
Koji Igarashi’s patent focuses on improving frequency-error compensation in optical signal reception, reflecting his contributions to communications technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile