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For the Inventor, By the Inventor

Suita, Japan

Noriaki Hirota

This inventor holds 11 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1996-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriaki Hirota. Retrieved from https://idiyas.com/inventor/noriaki-hirota

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 54.5

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 65(Granted Patents)


Location History:

  • Osaka, JP (1997 - 2003)
  • Suita, JP (1996 - 2007)

Company Filing History:

goldMedal11 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1996-2007

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11 patents (USPTO):Explore Patents
1. 7208254 - Binding resin for toner, toner and electrophotographic apparatus (2007-04-24),
2. 7063929 - Binding resin for toner, toner and electrophotographic apparatus (2006-06-20),
3. 6733945 - Toner and electrophotographic method (2004-05-11),
4. 6593051 - Toner and electrophotographic method (2003-07-15),
5. 6579653 - Binding resin for toner, toner, and electrophotograph (2003-06-17),
6. 6432599 - Toner and method for producing the same (2002-08-13),
7. 6326116 - Toner and method for producing the same (2001-12-04),
8. 6270937 - Toner and method for producing the same (2001-08-07),
9. 5985506 - Reversal electrophotographic developing method employing recyclable (1999-11-16),
10. 5702858 - Toner (1997-12-30),
11. 5561019 - Magnetic toner (1996-10-01),

Title: Noriaki Hirota: Innovator in Electrophotographic Technology

Introduction

Noriaki Hirota is a prominent inventor based in Suita, Japan. He has made significant contributions to the field of electrophotographic technology, holding a total of 11 patents. His work focuses on enhancing the quality and efficiency of color image formation in electrophotographic apparatuses.

Latest Patents

Hirota's latest patents include innovations related to binding resin for toner, toner, and electrophotographic apparatus. His inventions aim to improve the fixing properties and anti-offset characteristics of toners used in color image formation. Specifically, he has developed a binder resin and toner that allow for high-quality color images, even under varying process speeds and oil-less fixing conditions. The toner features a unique molecular weight distribution, which is achieved through a specific kneading process that converts high molecular weight components into low molecular weight components.

Career Highlights

Noriaki Hirota is associated with Matsushita Electric Industrial Co., Ltd., a leading company in the electronics industry. His work has been instrumental in advancing the technology used in printers and copiers, making them more efficient and capable of producing high-quality images.

Collaborations

Hirota has collaborated with notable coworkers, including Yasuhito Yuasa and Masahisa Maeda. Their combined expertise has contributed to the successful development of innovative technologies in the field.

Conclusion

Noriaki Hirota's contributions to electrophotographic technology have significantly impacted the industry. His innovative patents continue to enhance the quality and efficiency of color image formation, showcasing his dedication to advancing technology.

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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