Kawasaki, Japan

Hiroshi Oikawa

This inventor holds 4 USPTO granted patents. Top assignees: Fujitsu Corporation, Kabushiki Kaisha Toshiba. Active years: 1998-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Oikawa. Retrieved from https://idiyas.com/inventor/hiroshi-oikawa-0xu4ghrc

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Yokohama, JP (2006)
  • Kawasaki, JP (1998 - 2010)

Company Filing History:


Years Active: 1998-2010

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4 patents (USPTO):Explore Patents

Title: Hiroshi Oikawa: Innovator in Control Systems and Communications

Introduction

Hiroshi Oikawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the fields of control systems and wavelength division multiplexing communications. With a total of 4 patents, Oikawa's work reflects his commitment to advancing technology and improving system performance.

Latest Patents

Oikawa's latest patents include a feedback control device and a pre-emphasis control method. The feedback control device is designed to ensure high-accuracy and stable control even when one of the multiple controllers fails. The master controller generates control data for a heater, while the slave controller takes over in case of an anomaly in the master controller, ensuring continuous operation. The pre-emphasis control method enhances the performance of wavelength division multiplexing communications systems by automatically adjusting the optical power of each channel based on its linear or nonlinear characteristics.

Career Highlights

Throughout his career, Oikawa has worked with prominent companies such as Fujitsu Corporation and Toshiba Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex engineering challenges.

Collaborations

Oikawa has collaborated with talented individuals in his field, including Kazuhiro Yasuda and Yuko Sato. These partnerships have contributed to the successful development of his patents and innovations.

Conclusion

Hiroshi Oikawa's contributions to control systems and communications technology demonstrate his expertise and dedication as an inventor. His innovative patents continue to influence the industry and pave the way for future advancements.

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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