Fujieda, Japan

Hiroshi Iwai

This inventor holds 10 USPTO granted patents. Top assignees: Victor Company of Japan, Limited, Sumitomo Chemical Company, Limited, Other. Active years: 1983-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Iwai. Retrieved from https://idiyas.com/inventor/hiroshi-iwai-blnfekip

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


% Patents Active = 70.0

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 58(Granted Patents)


Location History:

  • Hisamoto, Takatsu-ku, Kawasaki-shi, Kanagawa-ken, JP (1998)
  • Fujieda, JP (1990 - 2004)
  • Shizuoka-ken, JP (2004)
  • Yokohama, JP (1983 - 2023)

Company Filing History:


Years Active: 1983-2023

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10 patents (USPTO):Explore Patents

Title: Hiroshi Iwai: Innovator in Semiconductor Technology

Introduction

Hiroshi Iwai is a prominent inventor based in Fujieda, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 10 patents. His work focuses on innovative methods for evaluating and improving semiconductor devices.

Latest Patents

Hiroshi Iwai's latest patents include a charge trap evaluation method and a semiconductor element. This method involves applying an initialization voltage that matches the threshold voltage of a semiconductor device with a High Electron Mobility Transistor (HEMT) structure. The process initializes a trap state by expelling trapped charge and monitors the current between the source and drain electrodes to evaluate charge trapping, current collapse, and charge release. Another notable patent is a method for evaluating the electrical defect density of a semiconductor layer, specifically a Gallium Nitride (GaN) layer. This method measures electric current by applying voltage to the semiconductor element and derives the electrical defect density based on the measured current value.

Career Highlights

Throughout his career, Hiroshi Iwai has worked with notable companies, including the Victor Company of Japan, Limited. His expertise in semiconductor technology has positioned him as a key figure in the industry, contributing to advancements that enhance device performance and reliability.

Collaborations

Hiroshi Iwai has collaborated with esteemed colleagues, including Takeshi Suzuki and Kuniyuki Kakushima. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Hiroshi Iwai's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative methods continue to influence the advancement of semiconductor devices, ensuring improved performance and reliability in various applications.

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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