Yokohama, Japan

Daini Okajima

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Media Electronics Co., Ltd., Hitachi, Ltd., Other. Active years: 2000-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daini Okajima. Retrieved from https://idiyas.com/inventor/daini-okajima

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2000-2002

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2 patents (USPTO):Explore Patents

Title: Daini Okajima: Innovator in Radio Receiver Technology

Introduction

Daini Okajima is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of radio receiver technology, holding a total of 2 patents. His work focuses on improving the efficiency and effectiveness of radio signal detection.

Latest Patents

Okajima's latest patents include innovative designs for radio receivers. One of his patents is titled "Radio receiver using level-variable reference signal for discriminative detection of data signal and signal discrimination method." This invention describes a radio receiver apparatus that receives a spread spectrum signal. It combines a signal derived from level detection of a demodulated signal with a signal extracted from a reception synchronizing clock. This combination generates a reference signal that changes in accordance with the detected signal, allowing for effective discrimination of the received signal.

Another patent by Okajima is similarly titled "Radio receiver using level-variable reference signal for discriminative." This invention also focuses on the reception of spread spectrum signals and employs a similar method of combining signals to enhance the detection process.

Career Highlights

Throughout his career, Daini Okajima has worked with prominent companies, including Hitachi, Ltd. His experience in the industry has allowed him to develop and refine his innovative ideas in radio technology.

Collaborations

Okajima has collaborated with notable colleagues such as Minoru Moteki and Kazuhide Tamizu. These partnerships have contributed to the advancement of his inventions and the overall progress in the field of radio technology.

Conclusion

Daini Okajima is a distinguished inventor whose work in radio receiver technology has led to significant advancements. His patents reflect a deep understanding of signal processing and innovation in communication technology.

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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