Kanagawa, Japan

Katsuhiko Nisitani

This inventor holds 2 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1998-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Nisitani. Retrieved from https://idiyas.com/inventor/katsuhiko-nisitani

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 2

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 1998-2001

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2 patents (USPTO):Explore Patents

Title: Innovations of Katsuhiko Nisitani

Introduction

Katsuhiko Nisitani is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of light-emitting devices. With a total of 2 patents to his name, Nisitani's work has had a considerable impact on the industry.

Latest Patents

Nisitani's latest patents include advancements in LED display devices. His semiconductor light-emitting device features a double heterostructure, which is composed of an active layer and clad layers that sandwich the active layer. Notably, at least one of the clad layers has a multilayer structure with at least two element layers. The aluminum mole fraction of the element layer, which is proximal to the active layer, is smaller than that of the other element layer distal from the active layer. This innovative arrangement improves the crystal quality of the interface between the active layer and the clad layer of the multilayer structure, effectively confining carriers in the active layer.

Career Highlights

Katsuhiko Nisitani is associated with Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His work at Toshiba has allowed him to explore and develop cutting-edge technologies in the semiconductor field.

Collaborations

Nisitani has collaborated with esteemed colleagues such as Kazumi Unno and Masayuki Ishikawa. Their combined expertise has contributed to the advancement of semiconductor technologies and innovations.

Conclusion

Katsuhiko Nisitani's contributions to the field of semiconductor technology, particularly in LED display devices, highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the quality and efficiency of light-emitting devices.

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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