Utsunomiya, Japan

Hiroyo Haga

This inventor holds 3 USPTO granted patents. Top assignee: Memc Electronic Materials, Inc.. Active years: 2005-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyo Haga. Retrieved from https://idiyas.com/inventor/hiroyo-haga-d9izf31y

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

Calculating rank

% Patents Active = 66.7

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 2005-2008

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

Title: Hiroyo Haga: Innovator in Silicon Technology

Introduction

Hiroyo Haga is a prominent inventor based in Utsunomiya, Japan. She has made significant contributions to the field of silicon technology, particularly in the development of nitrogen-doped silicon materials. With a total of 3 patents to her name, Haga's work has implications for the semiconductor industry.

Latest Patents

Haga's latest patents focus on the creation of nitrogen-doped silicon that is substantially free of oxidation-induced stacking faults. The first patent describes a process for forming single crystal silicon ingots or wafers that contain an axially symmetric region where vacancies are the predominant intrinsic point defect. This innovation stabilizes oxygen precipitation nuclei, enhancing the material's performance. The second patent reiterates similar advancements in single crystal silicon, emphasizing the importance of nitrogen doping in achieving these results.

Career Highlights

Hiroyo Haga is currently employed at Memc Electronic Materials, Inc., where she continues to push the boundaries of silicon technology. Her work has garnered attention for its potential to improve the quality and efficiency of silicon-based materials used in various applications.

Collaborations

Haga has collaborated with notable colleagues, including Takaaki Aoshima and Mohsen Banan. These partnerships have contributed to her innovative research and development efforts in the field.

Conclusion

Hiroyo Haga's contributions to nitrogen-doped silicon technology highlight her role as a leading inventor in the semiconductor industry. Her patents reflect a commitment to advancing material science and improving the performance of silicon-based products.

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…