This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignees: Pixie Dust Technologies, Inc., Shionogi & Co., Ltd.. Active years: 2026.
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 8 
1 out of 16 Years Active: 2026
Title: Koichi Ogawa: Inventor in Acoustic Signal Processing
Introduction
Koichi Ogawa is an inventor associated with Osaka, Japan. His patent work includes an invention in acoustic signal processing that combines signals to produce an output acoustic signal.
Latest Patents
The provided information lists one patent for Ogawa: Signal Processing Apparatus and Signal Processing Method. The invention concerns an apparatus that receives an input acoustic signal and acquires a first acoustic signal with periodic variation corresponding to the frequency of gamma waves. It then outputs an acoustic signal based on that first signal and a second signal derived from the input acoustic signal. Ogawa is credited with 1 patent.
Career Highlights
Ogawa has been associated with Pixie Dust Technologies, Inc. and Shionogi & Co., Ltd. His listed patent reflects work involving acoustic signals and signal-processing methods.
Collaborations
Yoshiki Nagatani and Kazuki Takazawa are identified as Ogawa’s coworkers, indicating professional connections within his broader work environment.
Conclusion
Koichi Ogawa’s listed invention focuses on processing acoustic signals using a gamma-wave-related periodic variation, and his career associations include Pixie Dust Technologies, Inc. and Shionogi & Co., Ltd.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile