Location History:
- Yamanashi-ken, JP (2004)
- Mukawa-mura, JP (1998 - 2008)
- Yamanashi, JP (1997 - 2010)
- Hokuto, JP (2011)
- Tokyo, JP (2000 - 2014)
Company Filing History:
Years Active: 1997-2014
Title: The Innovative Contributions of Masaru Mitsui in Semiconductor Manufacturing
Introduction: Masaru Mitsui, a prolific inventor based in Yamanashi, Japan, has made significant advancements in the field of semiconductor manufacturing with a remarkable portfolio of 23 patents. His innovative methods and technologies are tailored to enhance the quality and efficiency of mask blanks and semiconductor devices, demonstrating his profound impact on the industry.
Latest Patents: Mitsui's recent patents showcase his commitment to quality and defect reduction in the manufacturing process. Notable inventions include a method for manufacturing mask blanks, a method for manufacturing transfer masks, and a sputtering target for manufacturing mask blanks. His method for manufacturing a mask blank focuses on creating high-quality mask blanks while minimizing defects in thin films used for mask patterns. By utilizing a sputtering target containing silicon that has a hardness of 900 HV or more, he ensures the production of superior thin films with reduced defect rates. Furthermore, he has developed a transparent substrate manufacturing method and defect correction techniques, which improve the production of exposure masks and enhance the overall reliability of semiconductor devices.
Career Highlights: Mitsui's career is marked by his tenure at notable corporations such as Hoya Corporation and Hoyo Corporation. His contributions to these organizations have led to groundbreaking advancements in manufacturing technologies, underscoring his role as a vital contributor to the semiconductor industry.
Collaborations: Throughout his career, Mitsui has collaborated with talented individuals, including Kimihiro Okada and Hideki Suda. These partnerships have fostered an environment of creative innovation, allowing for the sharing of ideas that have propelled their collective work forward.
Conclusion: Masaru Mitsui's dedication to improving semiconductor manufacturing processes through his innovative patents is a testament to his expertise as an inventor. His work not only elevates industry standards but also paves the way for future advancements in technology. As the field evolves, the contributions of innovators like Mitsui will continue to shape the landscape of semiconductor manufacturing for years to come.