Yokohama, Japan

Zenichi Ohsawa

This inventor holds 3 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1982-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zenichi Ohsawa. Retrieved from https://idiyas.com/inventor/zenichi-ohsawa

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 = 3.6

ph-index = 2

Forward Citations = 29(Granted Patents)


Company Filing History:


Years Active: 1982-1985

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3 patents (USPTO):Explore Patents

Title: Zenichi Ohsawa: Innovator in High Frequency Technology

Introduction

Zenichi Ohsawa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of high frequency technology, holding a total of three patents. His work focuses on enhancing the efficiency and reliability of frequency generation systems.

Latest Patents

One of Ohsawa's latest patents is a high frequency generator with output shut-off or reduced by biasing. This innovative generator includes a frequency generator and a multiplier, which utilizes a diode to multiply the output frequency. The system effectively simplifies the circuit structure by controlling the bias voltage applied to the diode, allowing for reliable output management. Another significant patent is a frequency conversion unit that comprises a local oscillator, first and second mixers, and first and second hybrid circuits. This unit produces a frequency conversion output signal by managing phase differences between intermediate frequency signals, showcasing Ohsawa's expertise in complex electronic systems.

Career Highlights

Zenichi Ohsawa is currently employed at Fujitsu Corporation, where he continues to develop cutting-edge technologies. His work has been instrumental in advancing high frequency applications, contributing to the company's reputation as a leader in the tech industry.

Collaborations

Ohsawa has collaborated with notable colleagues, including Isamu Umino and Takuro Oguchi. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Zenichi Ohsawa's contributions to high frequency technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in electronic systems, making a lasting impact on the industry.

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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