Tokyo, Japan

Takahiro Numai

This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Nec Corporation. Active years: 1990-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiro Numai. Retrieved from https://idiyas.com/inventor/takahiro-numai-lwujjy14

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 46(Granted Patents)


Company Filing History:


Years Active: 1990-1995

Loading Chart...
Loading Chart...
6 patents (USPTO):Explore Patents

Title: Takahiro Numai: Innovator in Semiconductor Technology

Introduction

Takahiro Numai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on improving the efficiency and functionality of semiconductor devices.

Latest Patents

One of his latest patents is a surface-emitting semiconductor device. This device features an improved definition of polarization direction for laser light emitted. It includes a semiconductor substrate with a surface inclined to its (100)-plane, a first semiconductor cladding layer, a semiconductor active layer, and a second semiconductor cladding layer of opposite polarity. The design allows for a laser beam to be emitted approximately perpendicular to the substrate's surface. Another notable patent is an optical switching system for optical wavelength-division and time-division multiplexed signals. This system comprises tunable wavelength filters and optical memory elements that work together to select and memorize light intensity signals, enhancing the efficiency of optical communications.

Career Highlights

Takahiro Numai is currently employed at NEC Corporation, where he continues to innovate in the semiconductor field. His work has been instrumental in advancing technologies that are crucial for modern communication systems.

Collaborations

He collaborates with notable colleagues such as Makoto Nishio and Yoshiharu Tashiro, contributing to a dynamic research environment that fosters innovation.

Conclusion

Takahiro Numai's contributions to semiconductor technology exemplify the impact of innovative thinking in the field. His patents reflect a commitment to enhancing the capabilities of electronic devices, making him a key figure in the industry.

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…