Annaka, Japan

Kenji Sakai

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Shin-Etsu Handotai Co., Ltd.. Active years: 2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Sakai. Retrieved from https://idiyas.com/inventor/kenji-sakai-qpb8b64s

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2024

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1 patent (USPTO):Explore Patents

Title: Kenji Sakai: Innovator in Semiconductor Phosphors

Introduction

Kenji Sakai is a prominent inventor based in Annaka, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of semiconductor phosphors. His innovative work has led to advancements that enhance the efficiency and stability of photoluminescent materials.

Latest Patents

Kenji Sakai holds a patent for a semiconductor phosphor designed to exhibit photoluminescence upon irradiation with excitation light. This invention includes at least one active layer made of a compound semiconductor, which contains an n-type or p-type dopant. Additionally, it features at least two barrier layers made of a compound semiconductor that have a larger band gap than the active layer. The unique structure of alternately stacked active and barrier layers allows for easy wavelength adjustment, high efficiency, and stability in performance.

Career Highlights

Throughout his career, Kenji Sakai has been associated with Shin-Etsu Handotai Co., Ltd., a leading company in the semiconductor industry. His work has not only contributed to the company's reputation but has also positioned him as a key figure in semiconductor innovation.

Collaborations

Kenji has collaborated with notable colleagues, including Susumu Higuchi and Masato Yamada. Their combined expertise has fostered an environment of innovation and has led to the successful development of advanced semiconductor technologies.

Conclusion

Kenji Sakai's contributions to semiconductor phosphors exemplify the impact of innovative thinking in technology. His work continues to influence the field, paving the way for future advancements in photoluminescent materials.

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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