Kyoto, Japan

Masato Mushiage

This inventor holds 9 USPTO granted patents, plus 1 CIPO patent. Top assignees: Rohm Co., Ltd., Nippon Telegraph and Telephone Corporation. Active years: 1990-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Mushiage. Retrieved from https://idiyas.com/inventor/masato-mushiage

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 = 3.1

ph-index = 5

Forward Citations = 57(Granted Patents)


Company Filing History:


Years Active: 1990-1999

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9 patents (USPTO):Explore Patents

Title: **Masato Mushiage: Pioneering Innovations in Semiconductor Technology**

Introduction

Masato Mushiage, an esteemed inventor based in Kyoto, Japan, has made significant contributions to the field of semiconductor technology. With a total of nine patents to his name, Mushiage has focused on developing advanced optical devices that enhance the functionality of electronic components.

Latest Patents

Among Mushiage's latest innovations are two notable patents:

1. **Superluminescent Diode and Method for Manufacturing the Same** - This innovation describes a superluminiscent diode that includes a semiconductor substrate of a first conductivity type with a lower cladding layer, an active layer, and an upper cladding layer of a second conductivity type. The design features a current blocking layer with a unique stripe-shaped groove that acts as a current-injection region, which contributes to the effective absorption of light within the active layer.

2. **Semiconductor Laser** - This patent outlines a semiconductor laser that consists of a first conductive type lower clad layer, an active layer, and a second conductive type upper clad layer. It includes an innovative current blocking layer with a stripe-shaped open portion, all of which are fabricated on a GaAs substrate. The construction is comprised of compound semiconductors, providing remarkable performance characteristics.

Career Highlights

Mushiage's career boasts significant associations with prominent companies such as Rohm Co., Ltd. and Nippon Telegraph and Telephone Corporation. His expertise in semiconductor technology has driven innovations that benefit various electronic applications.

Collaborations

Throughout his career, Masato Mushiage has worked alongside esteemed colleagues like Haruo Tanaka and Kaoru Kusunoki. Their collaborations have further advanced the research and development of semiconductor devices, enhancing their practical applications.

Conclusion

Masato Mushiage's contributions to the realm of semiconductor technology have paved the way for innovative solutions in electronic devices. His continued efforts in research and development underline the importance of collaboration within the field, ensuring that advancements keep benefiting society at large.

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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