Ibaraki, Japan

Tsukasa Ogawa

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Koki Co., Ltd., Hitachi, Ltd.. Active years: 1992-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsukasa Ogawa. Retrieved from https://idiyas.com/inventor/tsukasa-ogawa

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Ibaraki, JP (1992 - 1993)
  • Katsuta, JP (1995)

Company Filing History:


Years Active: 1992-1995

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4 patents (USPTO):Explore Patents

Title: The Innovations of Tsukasa Ogawa

Introduction

Tsukasa Ogawa is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of optical recording technology. With a total of 4 patents to his name, Ogawa's work has had a lasting impact on the industry.

Latest Patents

Ogawa's latest patents include an optical recording apparatus and a method for adding information. This method involves optically recording original information supplied from an information-generating device onto an optical recording material. The process includes generating interpolating information to be recorded in the sub-scanning direction using multiple laser beams. Another significant patent is a device for measuring surface potentials at a photosensitive body. This device features a potential sensor that measures surface potentials at various positions on the photosensitive body, along with sample hold circuits and an adder for accurate measurements. The addition or averaging of these measured values helps eliminate errors and noise, ensuring correct surface potential readings.

Career Highlights

Throughout his career, Tsukasa Ogawa has worked with prominent companies such as Hitachi Koki Co., Ltd. and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Ogawa has collaborated with notable individuals in his field, including Minoru Ohshima and Masami Ishikawa. These partnerships have further enriched his work and expanded his contributions to the industry.

Conclusion

Tsukasa Ogawa's innovative spirit and dedication to advancing optical recording technology have established him as a respected inventor. His patents reflect his commitment to improving measurement accuracy and recording methods. His contributions continue to influence the field and inspire future innovations.

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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