Tokyo, Japan

Hideo Negishi

This inventor holds 16 USPTO granted patents and 2 published patent applications, primarily in Stencil Printing Technology. Top assignees: Riso Kagaku Corporation, Mitsubishi Kinzoku Kabushiki Kaisha. Active years: 1983-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideo Negishi. Retrieved from https://idiyas.com/inventor/hideo-negishi

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 93.8

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 194(Granted Patents)


Location History:

  • Ibaragi, JP (1990)
  • Tokyo, JP (1983 - 1997)
  • Ibaraki, JP (1997)
  • Ibaraki-ken, JP (1997 - 2001)
  • Amimachi, JP (2003)

Company Filing History:


Years Active: 1983-2003

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Areas of Expertise:
Stencil Printer
Printing Drum
Ink Leakage Prevention
Friction Reducing
Rotary Stencil Printer
Squeegee
Doctor Roller
Mimeographic Printing
Sheet Feeding Device
Image Developing Machine
Drill Bit
16 patents (USPTO):Explore Patents

Title: Hideo Negishi: Innovator in Stencil Printing Technology

Introduction

Hideo Negishi is a distinguished inventor based in Tokyo, Japan, known for his innovative contributions to stencil printing technology. With a portfolio of 16 patents, he has made significant advancements in the design and functionality of stencil printing systems, showcasing his expertise and dedication to improving printing processes.

Latest Patents

Negishi's recent patents include a novel stencil printer system that enhances the efficiency of stencil application. This system utilizes a stencil made from master material unrolled from a stencil material roll. The stencil is clamped onto a printing drum and rotated, with provisions for maintaining the proper tension through a specially designed tension blade. This blade applies back tension to the stencil, ensuring optimal printing quality.

Additionally, he developed a stencil printing machine that features a printing drum with a cylindrical wall designed to accommodate a perforated stencil sheet. This drum rotates around a central axis and includes an ink supplying roller that delivers ink to the drum's inner surface, alongside a press roller that facilitates effective ink transfer. These innovations reflect Negishi's ability to integrate mechanical engineering with printing technology to achieve enhanced printing results.

Career Highlights

Negishi's career highlights include impactful positions at prominent companies such as Riso Kagaku Corporation and Mitsubishi Kinzoku Kabushiki Kaisha. His work at these organizations has contributed to the growth and advancement of printing technologies, particularly in stencil printing applications.

Collaborations

Throughout his career, Negishi has collaborated with notable colleagues including Yasuhiro Takahashi and Katsuro Motoe. These collaborations have fostered an environment of creativity and innovation, allowing for the development of groundbreaking technologies in the stencil printing domain.

Conclusion

In conclusion, Hideo Negishi stands out as a leading innovator in stencil printing technology. His extensive patent portfolio, career achievements, and collaborative efforts reflect a commitment to enhancing the printing industry. As he continues to innovate, Negishi's contributions will undoubtedly influence the future of printing technologies.

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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