This inventor holds 19 USPTO granted patents and 1 published patent application. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Renesas Technology Corp., Mitsubishi Electric Corporation. Active years: 1993-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hyogo, JP (1993 - 2004)
- Tokyo, JP (2001 - 2012)
Company Filing History:
9 out of 21,351 
4 out of 3,781 
2 out of 16,586 
Years Active: 1993-2026
Title: Innovations of Hiroyuki Amishiro in Semiconductor Technology
Introduction
Hiroyuki Amishiro is a prominent inventor based in Tokyo, Japan, known for his significant contributions to semiconductor technology. With a total of 17 patents to his name, he has made remarkable advancements in the field, particularly in the design and manufacturing of semiconductor devices.
Latest Patents
Amishiro's latest patents include a semiconductor device that features a plurality of resistor elements formed on an element isolating oxide film in predetermined regions on a semiconductor substrate's surface. This innovative design incorporates active regions close to the resistor elements, allowing the element isolating oxide film to be divided into suitable strips. This division prevents concave formation at the center of the oxide film during polishing by CMP, thereby enhancing the dimensional accuracy of the resistor elements during fabrication. Another notable patent is for a semiconductor device having resistor elements and a method for manufacturing the same, which shares similar advancements in design and functionality.
Career Highlights
Throughout his career, Hiroyuki Amishiro has worked with leading companies in the semiconductor industry, including Mitsubishi Electric Corporation and Renesas Technology Corporation. His experience in these organizations has contributed to his expertise and innovative approach in semiconductor technology.
Collaborations
Amishiro has collaborated with notable professionals in the field, including Motoshige Igarashi and Kenji Yamaguchi. These collaborations have further enriched his work and led to significant advancements in semiconductor device technology.
Conclusion
Hiroyuki Amishiro's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of more efficient and accurate semiconductor devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile