Kokubunji, Japan

Hiroyuki Minemura

This inventor holds 225 USPTO granted patents and 12 published patent applications and 7 EPO patents, primarily in Optical Measurement (CPC class G11B7-00). Top assignees: Hitachi, Ltd., Hitachi-Lg Data Storage, Inc., Hitachi Maxell, Limited. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Minemura. Retrieved from https://idiyas.com/inventor/hiroyuki-minemura

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

USPTO Granted Patents = 225 

% Patents Active = 52.4

 

Average Co-Inventor Count = 3.3

ph-index = 18

Forward Citations = 1,336(Granted Patents)

Forward Citations (Not Self Cited) = 1,023(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Hitachi, JP (1989 - 1996)
  • Kodaira, JP (1996 - 2006)
  • Yokohama, JP (1999 - 2006)
  • Yokohama-shi, JP (2006)
  • Kokubunji, JP (2000 - 2014)
  • Tokyo, JP (2016 - 2023)

Company Filing History:


Years Active: 1989-2026

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Areas of Expertise:
Optical Measurement
Particle Measurement
Light-Guide Plate
Semiconductor Storage
Electron Microscope
Optical Element
Reproducing Signal
Recording Method
Image Display Device
Non-Volatile Memory
Tracking Method
Test Writing
225 patents (USPTO):Explore Patents

Title: Hiroyuki Minemura: Innovative Mind Behind Patent Marvels

Introduction:

Hiroyuki Minemura, a renowned inventor hailing from Kokubunji, JP, has made significant contributions to the field of technology through his ingenious patents and inventions. With an impressive portfolio of 221 patents, Minemura consistently strives to enhance brightness, visibility, and overall performance in his innovations. Let us delve into some of his latest patents, examine his career highlights, and explore his collaborations.

Latest Patents:

One of Minemura's recent patents is the "Light Guide Plate and Image Display Device." By incorporating an incident diffraction grating, an exit diffraction grating, and an intermediate diffraction grating, Minemura aims to improve image brightness and enhance visibility for users. The light guide plate includes a periodic linear corrugated pattern as the incident diffraction grating, resulting in a sophisticated optical design that enhances overall imaging quality.

Another notable invention is the "Electron Microscope," designed to facilitate seamless switching between normal and annular illumination. This electron microscope incorporates a photocathode with negative electron affinity, an excitation optical system, and an electron optics system. By utilizing an optical modulation means to perform spatial phase modulation on the excitation light, Minemura ensures expedited switching between various modes of illumination, resulting in enhanced imaging capabilities.

Career Highlights:

Hiroyuki Minemura has an illustrious career, primarily associated with acclaimed companies such as Hitachi Co., Ltd and Hitachi Maxell, Limited. His tenure at these organizations has allowed him to harness his inventive skills and contribute to cutting-edge technological advancements. His patents have not only improved existing products but also led to the development of novel solutions that have garnered recognition within the industry.

Collaborations:

During his journey as an inventor, Hiroyuki Minemura has collaborated with esteemed colleagues, including Harukazu Miyamoto and Motoyasu Terao. These collaborations have proven fruitful in driving innovation and achieving remarkable outcomes. By leveraging the collective expertise of these talented individuals, Minemura has been able to push the boundaries of technological advancements, leading to novel patents and inventions.

Conclusion:

Hiroyuki Minemura's relentless pursuit of innovation and his vast portfolio of 221 patents showcase his dedication to creating cutting-edge technological solutions. His latest patents, including the Light Guide Plate and Image Display Device, and the Electron Microscope, reflect his commitment to enhancing user experiences and pushing the boundaries of science and technology. Collaborating with renowned individuals like Harukazu Miyamoto and Motoyasu Terao has further fueled Minemura's ability to create groundbreaking inventions. As the tech industry looks to the future, the notable contributions of Hiroyuki Minemura will continue to shape and redefine the landscape of innovations and patents.

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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