Tsuchiura, Japan

Itaru Sakamoto

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Kasei Corporation. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Itaru Sakamoto. Retrieved from https://idiyas.com/inventor/itaru-sakamoto

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 = 4.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Itaru Sakamoto: Innovator in Semiconductor Laser Technology

Introduction

Itaru Sakamoto is a prominent inventor based in Tsuchiura, Japan. He is known for his contributions to the field of semiconductor technology, particularly in the development of semiconductor laser elements. His innovative work has led to the filing of a patent that showcases his expertise and creativity in this specialized area.

Latest Patents

Sakamoto holds a patent for a semiconductor laser element. This invention comprises a first cladding layer, an optical guiding layer, an active layer, and a second cladding layer arranged in a specific order on a semiconductor substrate. The optical guiding layer has a refractive index that is larger than both the first and second cladding layers, while being smaller than that of the active layer. Additionally, a burying layer with a refractive index smaller than at least one of the cladding layers is positioned on the side faces of the optical guiding layer and the active layer, excluding the laser-emitting faces.

Career Highlights

Itaru Sakamoto is associated with Mitsubishi Kasei Corporation, where he has made significant contributions to semiconductor research and development. His work has not only advanced the technology but has also positioned the company as a leader in the semiconductor industry.

Collaborations

Sakamoto has collaborated with notable colleagues, including Yuichi Inoue and Kenji Shimoyama. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Itaru Sakamoto's contributions to semiconductor laser technology exemplify the spirit of innovation. His patent and work at Mitsubishi Kasei Corporation highlight his role as a key figure in advancing this important field.

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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