Yokohama, Japan

Kazuhiko Horikoshi

This inventor holds 19 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Hitachi, Ltd., Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.. Active years: 1995-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Horikoshi. Retrieved from https://idiyas.com/inventor/kazuhiko-horikoshi

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

USPTO Granted Patents = 19 

% Patents Active = 57.9


Average Co-Inventor Count = 6.0

ph-index = 5

Forward Citations = 79(Granted Patents)


Location History:

  • Kawasaki, JP (1995 - 2006)
  • Tokyo, JP (2003 - 2007)
  • Yokohama, JP (2003 - 2014)

Company Filing History:


Years Active: 1995-2014

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19 patents (USPTO):Explore Patents

Title: **Kazuhiko Horikoshi: Innovator in Mass Spectrometry and Display Technology**

Introduction

Kazuhiko Horikoshi is an accomplished inventor based in Yokohama, Japan, known for his significant contributions to the fields of mass spectrometry and display technology. With a remarkable portfolio of 19 patents, Horikoshi's innovations address critical challenges in accuracy and efficiency within these domains.

Latest Patents

Horikoshi's latest patents include a **mass spectrometer and mass spectrometry method**, designed to analyze hardly volatile organic matter that can lead to device defects. This innovative technique involves gasifying samples using a heating probe, introducing them into an ion source, and detecting their ionized forms based on the mass-to-charge ratio. A notable feature of this method is its enhanced sensitivity and signal-to-noise ratio, achieved through a cylindrical gas guide mechanism that ensures minimal loss of sample components.

Another significant advancement by Horikoshi is the **active matrix display device**, which incorporates technology to prevent current leakage in charge-holding capacitors. This innovation improves the display quality by maintaining the integrity of the display pixels. The design includes various wiring layers and insulating films, effectively addressing common issues that affect image clarity in display devices.

Career Highlights

Kazuhiko Horikoshi has had a distinguished career, having worked with notable companies like Hitachi, Ltd. and Hitachi Displays, Ltd. His experiences at these organizations have equipped him with the expertise necessary to lead advancements in electronic and analytical technologies.

Collaborations

Throughout his career, Horikoshi has collaborated with esteemed colleagues, including Kiyoshi Ogata and Takuo Tamura. These partnerships have played a crucial role in fostering innovation and driving technological development in their respective fields.

Conclusion

Kazuhiko Horikoshi exemplifies the spirit of innovation through his extensive contributions to mass spectrometry and display technology. With a commitment to enhancing device performance and reliability, his inventions will undoubtedly leave a lasting impact on these industries.

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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