Masatsugu Hirayama

This inventor holds 7 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha. Active years: 2005-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatsugu Hirayama. Retrieved from https://idiyas.com/inventor/masatsugu-hirayama

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

Calculating rank

USPTO Granted Patents = 7

% Patents Active = 28.6

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 53(Granted Patents)

Company Filing History:

7 out of 53,315

Kabushiki Kaisha Toshiba

patents

7 out of 6,293

Toshiba Tec Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 2005-2009

Loading Chart...

7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7496304 - Color image forming apparatus and color image forming method having overlapping toners (2009-02-24),

2. 7233748 - Color image forming apparatus and color image forming method having overlapping toners (2007-06-19),

3. 7221480 - Image processing apparatus and image forming apparatus (2007-05-22),

4. 7120294 - Image forming apparatus and image forming method (2006-10-10),

5. 7054036 - Image processing method and image forming apparatus (2006-05-30),

6. 6930810 - Correction table forming method and image forming apparatus (2005-08-16),

7. 6920245 - Image processing apparatus and image forming apparatus (2005-07-19),

Title: The Innovative Journey of Masatsugu Hirayama

Introduction

Masatsugu Hirayama, an esteemed inventor located in Yokohama, Japan, has made significant contributions to the field of image processing technology. With a total of seven patents to his name, his work has had a notable impact on digital copying machines, particularly in enhancing their efficiency and functionality.

Latest Patents

Hirayama's most recent patents focus on color image forming apparatuses and methods that utilize overlapping toners. Specifically, one of his key inventions involves a digital copying machine that adjusts the toner attachment amount when set to 'thick paper' mode. By controlling the gradient for this mode within a gamma correction unit of the image processing unit, he successfully changes the toner attachment from 1.6 mg/cm² to 1.0 mg/cm². This innovation broadens the fixation temperature range, ensuring optimal fixation quality during printing.

Career Highlights

Throughout his career, Masatsugu Hirayama has been associated with prominent companies in the tech industry. Notably, he has worked with Toshiba Corporation and Toshiba Tec Corporation, where he contributed his expertise in developing advanced imaging technologies. His efforts have not only advanced the capabilities of copying machines but also improved user experiences across various applications.

Collaborations

Hirayama has collaborated with colleagues such as Yoshiaki Okano, pooling their expertise to drive innovative solutions within their field. These collaborations have facilitated the exchange of ideas and fostered an environment conducive to breakthrough technologies.

Conclusion

Masatsugu Hirayama stands out as a proficient inventor whose work continues to influence the realm of digital image processing. With a focus on enhancing functionality and efficiency, his patented innovations reflect his commitment to advancing technology for better outcomes. As the field evolves, Hirayama's contributions will undoubtedly leave a lasting legacy in 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]