This inventor holds 5 USPTO granted patents. Top assignees: International Business Machines Corporation, Toppan Printing Co., Ltd.. Active years: 2001-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
5 out of 166,425 
3 out of 1,269 
Years Active: 2001-2018
Title: **Joseph L. Malenfant, Jr.: Innovator in Photomask Technology**
Introduction
Joseph L. Malenfant, Jr., based in Colchester, Vermont, has made significant contributions to the field of photomask technology through his innovative inventions. With a total of five patents to his name, Joseph has focused on enhancing testing methodologies for photomasks, which are critical in semiconductor manufacturing and other applications.
Latest Patents
Joseph's recent work includes his latest patent titled "Test pattern layout for test photomask and method for evaluating critical dimension changes." This invention highlights the development of a test photomask that has a unique structure composed of multiple cells with varied density patterns. The first group of cells is organized along a specific line, featuring a certain combined density ratio, while the second group mirrors this structure, enhancing the efficacy of testing processes. The designed varied density pattern aims to significantly reduce fogging effects, thereby improving the reliability of critical dimension evaluations in photomasks.
Career Highlights
Throughout his professional journey, Joseph has held key positions at notable companies, including IBM and Toppan Printing Co., Ltd. His work at these organizations has allowed him to refine his expertise in photolithography and leverage cutting-edge technologies in his inventions.
Collaborations
Joseph's innovative endeavors have been supported by notable collaborations, including partnerships with colleagues such as James P. Levin and Brian Neal Caldwell. These collaborations have undoubtedly fostered an environment of creativity and innovation, contributing to the development of his impactful patents.
Conclusion
Joseph L. Malenfant, Jr. stands out as a prominent innovator in the area of photomask technology. His intellectual contributions, underscored by his recent patents, reflect a strong commitment to advancing testing methodologies and enhancing the overall effectiveness of semiconductor manufacturing processes. The continued evolution of his work promises further innovation in this essential field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile