Shibukawa, Japan

Yoshinori Terui

This inventor holds 18 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Electron Beam Technology. Top assignees: Denki Kagaku Kogyo Kabushiki Kaisha, Adv Antest Corporation, Denka Company Limited. Active years: 1996-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshinori Terui. Retrieved from https://idiyas.com/inventor/yoshinori-terui

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

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 94.4

 

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 98(Granted Patents)


Location History:

  • Machida, JP (1996 - 1997)
  • Gunma, JP (2003 - 2009)
  • Tokyo, JP (2013)
  • Shibukawa, JP (1996 - 2016)

Company Filing History:


Years Active: 1996-2016

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Areas of Expertise:
Electron Gun
Electron Source
Ion Gun
Thermal Field Emission
Liquid Metal Ion Source
Gallium Ion Source
Needle Electrode
Single Crystal Production
Electron Beam Apparatus
Exposure Method
18 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Yoshinori Terui

Introduction:

Yoshinori Terui, an accomplished inventor based in Shibukawa, Japan, has made significant contributions to the field of electron beam technology. With a total of 18 patents to his name, Terui has established himself as a key figure in advancing the capabilities and safety of charged-particle guns and electron sources.

Latest Patents:

Two of Terui's most recent patents showcase his innovative approach to electron beam technology. The first patent is for an enclosure and method for handling an electron gun or ion gun. This invention focuses on a charged-particle gun where the negative and positive electrodes are integrated and can be safely stored and transported. The connection created by a conductor during transport helps prevent the electrode tip from damage due to electrical discharge caused by static electricity.

The second patent introduced by Terui is for an electron source and electron beam apparatus. This invention aims to produce a stable electron beam even under external vibrations. The unique design features an insulator and two conductive terminals, with a long filament suspended between them. The needle-like cathode attached to the filament enhances electron emission, ensuring the device functions efficiently in various conditions.

Career Highlights:

Throughout his career, Terui has worked with notable companies, including Denki Kagaku Kogyo Co., Ltd. and Advantest Corporation. His work in these organizations has allowed him to refine his inventive skills and contribute to significant advancements in electronics and instrumentation.

Collaborations:

During his journey as an inventor, Terui has collaborated with esteemed colleagues, including Katsuyoshi Tsunoda and Ryozo Nonogaki. These partnerships have enriched his work and fostered a collaborative environment that emphasizes innovation and progress in the industry.

Conclusion:

Yoshinori Terui stands out as a prominent inventor through his dedication to creating advanced electron beam technologies. His latest patents reflect a commitment to safety and reliability, positioning him as an influential figure in the realm of charged-particle technology. With a strong foundation built on collaboration and a wealth of experience, Terui continues to inspire future innovations in the field.

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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