Osaka, Japan

Kiyoshi Ohta

This inventor holds 1 USPTO granted patent. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Ohta. Retrieved from https://idiyas.com/inventor/kiyoshi-ohta-4918tsva

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 = 1

Forward Citations = 131(Granted Patents)


Company Filing History:


Years Active: 1993

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Kiyoshi Ohta: Innovator in Light Emitting Diode Technology

Introduction

Kiyoshi Ohta is a prominent inventor based in Osaka, Japan. He is known for his significant contributions to the field of semiconductor technology, particularly in the development of light emitting diodes (LEDs). His innovative work has paved the way for advancements in various applications of LED technology.

Latest Patents

Kiyoshi Ohta holds a patent for a light emitting diode device and the method for producing the same. This device features an n-type silicon carbide substrate with first and second major surfaces that are inclined at a predetermined angle from a {0001} plane. The design includes an n-type silicon carbide layer and a p-type silicon carbide layer, along with ohmic electrodes. The diode element is characterized by a trapezoidal form in cross-section, which enhances its functionality and efficiency.

Career Highlights

Ohta has made significant strides in his career, particularly through his work at Sanyo Electric Co., Ltd. His expertise in semiconductor materials and device fabrication has led to advancements in LED technology, which are widely used in various industries today.

Collaborations

Throughout his career, Kiyoshi Ohta has collaborated with notable colleagues, including Tatsuhiko Niina and Toshitake Nakata. These collaborations have contributed to the development of innovative technologies and have fostered a spirit of teamwork in the field of semiconductor research.

Conclusion

Kiyoshi Ohta's contributions to light emitting diode technology have had a lasting impact on the industry. His innovative spirit and dedication to research continue to inspire future advancements in semiconductor technology.

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]
Loading…