Yokohama, Japan

Hirotoshi Ohno

This inventor holds 9 USPTO granted patents. Top assignee: Victor Company of Japan, Limited. Active years: 1984-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotoshi Ohno. Retrieved from https://idiyas.com/inventor/hirotoshi-ohno-y2ph1qry

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


% Patents Active = 77.8

Average Co-Inventor Count = 1.4

ph-index = 6

Forward Citations = 66(Granted Patents)


Location History:

  • Sagamihara, JP (1987)
  • Yokohama, JP (1984 - 2010)

Company Filing History:


Years Active: 1984-2010

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9 patents (USPTO):Explore Patents

Title: Hirotoshi Ohno: Innovator in Optical Disk Technology

Introduction

Hirotoshi Ohno is a prominent inventor based in Yokohama, Japan. With a remarkable portfolio of nine patents, he has made significant contributions to the field of data recording technologies. His work has paved the way for advancements in optical disk applications, showcasing his innovative thinking and engineering expertise.

Latest Patents

Ohno's recent patents reflect his focus on optimizing information recording methods. One of his notable inventions is an "Information recording method and optical disk," which involves a once-recordable optical disk with a pre-recorded data area containing application software for creating information groups. This software allows users to select desired information from their personal computers and create organized information groups. Importantly, after the information group is formed, the original software becomes disabled, ensuring the data remains secure within the new structure.

Another significant patent is the "Modulation device, modulation method, and recording medium." This invention is designed to improve the process of generating code word sequences from input data by allowing for flexibility in the run-length limiting rules. By optimizing the merging of code words, this innovation helps achieve the best DSV value while implementing a p-q modulation scheme for encoding input data words.

Career Highlights

Hirotoshi Ohno is currently associated with the Victor Company of Japan, Limited, a well-regarded firm in the electronics and data recording sector. His expertise and dedication to innovation have positioned him as a key player in the development of optical disk technologies. Ohno's extensive knowledge contributes to the company’s reputation for high-quality products and advanced technologies.

Collaborations

Throughout his career, Ohno has collaborated with several talented individuals, including Toshio Kuroiwa and Fumitaka Tsuji. Together, they work on enhancing optical data recording methods and advancing the technologies that support digital data storage and retrieval.

Conclusion

Hirotoshi Ohno continues to be an influential figure in the realm of optical disk technology. His inventions not only highlight his ingenuity but also reflect the ongoing evolution in data recording methods. As he collaborates with other innovators, Ohno's work promises to further enhance the capabilities of data storage solutions for various applications, maintaining his legacy in the field.

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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