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For the Inventor, By the Inventor

Yokohama, Japan

Hirohisa Nishiwaki

This inventor holds 4 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1999-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohisa Nishiwaki. Retrieved from https://idiyas.com/inventor/hirohisa-nishiwaki

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

USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 33(Granted Patents)


Company Filing History:

goldMedal4 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1999-2007

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4 patents (USPTO):Explore Patents
1. 7254456 - Recording medium and reproducing apparatus for quantized data (2007-08-07),
2. 7054697 - Recording medium and reproducing apparatus for quantized data (2006-05-30),
3. 5953375 - Packing method, recording medium and transmitting and receiving (1999-09-14),
4. 5892848 - Data arranging method and medium for data recording or transfer, and (1999-04-06),

Title: Hirohisa Nishiwaki: Innovator in Data Reproduction Technology

Introduction

Hirohisa Nishiwaki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of data reproduction technology, holding a total of 4 patents. His work focuses on improving the efficiency and effectiveness of data handling in various machines.

Latest Patents

Nishiwaki's latest patents include innovative methods for recording mediums and reproducing apparatuses for quantized data. One of his key inventions is a data arranging method for linear PCM data, which allows both low-cost and high-cost machines to easily perform a reproduction process while accommodating multiple channels. This method involves a structured approach where each sample data of 20 bits or 24 bits from individual channels is separated into a main word of 16 bits and an extra word of 4 or 8 bits. The arrangement of these words is meticulously organized to enhance the recording and transfer processes.

Career Highlights

Hirohisa Nishiwaki is associated with Kabushiki Kaisha Toshiba, a leading company in technology and innovation. His work at Toshiba has allowed him to develop and refine his inventions, contributing to advancements in data reproduction technology.

Collaborations

Nishiwaki has collaborated with notable coworkers, including Hideki Mimura and Sigeru Todokoro. Their combined expertise has fostered an environment of innovation and creativity within their projects.

Conclusion

Hirohisa Nishiwaki's contributions to data reproduction technology exemplify the impact of innovative thinking in the field. His patents reflect a commitment to enhancing the efficiency of data handling across various platforms.

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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