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For the Inventor, By the Inventor

Tokyo, Japan

Noboru Hayama

This inventor holds 7 USPTO granted patents. Top assignee: Riso Kagaku Corporation. Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Hayama. Retrieved from https://idiyas.com/inventor/noboru-hayama

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 64(Granted Patents)


Location History:

  • Tokyo, JP (1978 - 1993)
  • Minato, JP (1996)

Company Filing History:

goldMedal7 out of 1,086 
 
Riso Kagaku Corporation
 patents

Years Active: 1978-1996

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7 patents (USPTO):Explore Patents
1. 5483883 - Method for imaging a stencil using a low energy laser and light (1996-01-16),
2. 5243904 - Stencil printing with no back contamination (1993-09-14),
3. 5060567 - Rotary stencil printer with printing drum of net cylindrical body (1991-10-29),
4. 5054391 - Thermal stencil sheet assembly with stencil sheet temporarily detachable (1991-10-08),
5. 4911069 - Rotary stencil printer having printing drum having outer peripheral wall (1990-03-27),
6. 4139759 - Exposure device for a thermal stencil sheet (1979-02-13),
7. 4128057 - Stencil paper assembly (1978-12-05),

Title: Noboru Hayama: Innovator in Stencil Printing Technology

Introduction

Noboru Hayama is a distinguished inventor based in Tokyo, Japan. He has made significant contributions to the field of stencil printing technology, holding a total of 7 patents. His innovative designs and improvements have advanced the efficiency and quality of printing processes.

Latest Patents

Hayama's latest patents include groundbreaking inventions such as a method for stencil printing that minimizes back contamination. This method involves supplying ink in a layer on one side of a perforated stencil sheet and applying pressure to transfer the ink through the perforations onto the printing surface. The design ensures that the surface for printing is detached at a point where the movement of the ink layer is impeded, preventing ink from drawing out due to its adhesiveness and viscosity. Another notable patent is for a rotary stencil printer featuring a printing drum made of two annular members and a porous cylindrical body. This design allows for synchronized rotations of the printing drum and back press roller, enhancing the printing process.

Career Highlights

Noboru Hayama is currently associated with Riso Kagaku Corporation, a company known for its innovative printing solutions. His work has been instrumental in developing advanced printing technologies that cater to various industries.

Collaborations

Hayama has collaborated with notable colleagues such as Yoshiharu Ohinata and Kazuo Sakamoto. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Noboru Hayama's contributions to stencil printing technology exemplify his innovative spirit and dedication to improving printing processes. His patents reflect a commitment to enhancing efficiency and quality 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]
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