This inventor holds 25 USPTO granted patents and 4 published patent applications, primarily in Semiconductor Devices. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation, Calsonic Kansei Corporation. Active years: 2005-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nakano-ku, JP (2006 - 2007)
- Fuchu, JP (2013)
- Tokyo, JP (2005 - 2014)
- Hyogo-ken, JP (2014)
- Himeji, JP (2014)
- Ishikawa-ken, JP (2016)
- Hakusan Ishikawa, JP (2017 - 2022)
- Hakusan, JP (2019 - 2022)
Company Filing History:
20 out of 53,276 
7 out of 1,708 
5 out of 560 
Years Active: 2005-2026
Areas of Expertise:
Title: The Innovative Contributions of Masatoshi Arai
Introduction
Masatoshi Arai, a prominent inventor hailing from Hakusan, Ishikawa, Japan, has significantly contributed to the field of semiconductor technology. With a remarkable portfolio of 22 patents, Arai's work reflects a dedication to advancing electronic devices and materials.
Latest Patents
Among his latest innovations, Arai developed a cutting-edge semiconductor device characterized by its intricate structure. This device includes a semiconductor part of a first conductivity type, featuring a trench at the front surface. The invention also incorporates a first electrode on the back surface and a second electrode on the front surface, with a first semiconductor layer of a second conductivity type situated inside the trench. An insulating film is used to electrically isolate components, with the second electrode establishing connections that include rectification properties.
Another notable patent by Arai describes a semiconductor device that involves first and second metal members along with a semiconductor element. This design includes several electrodes and semiconductor regions and introduces an arrangement where a second metal member is connected to the second electrode. Arai’s focus on overlapping structures in semiconductor regions enhances device efficiency and performance.
Career Highlights
Masatoshi Arai’s career encompasses significant tenures at renowned companies, including Toshiba Corporation and Calsonic Kansei Corporation. His experiences at these institutions have equipped him with insights and expertise essential for innovation in semiconductor technologies.
Collaborations
Throughout his career, Arai has collaborated with talented individuals such as Tatsuya Nishiwaki and Tsuyoshi Ohta. These partnerships have likely fostered creative brainstorming and development of innovative solutions within the semiconductor field.
Conclusion
Masatoshi Arai’s contributions to semiconductor devices illustrate a commitment to innovation and technology. With numerous patents under his belt, his work continues to influence advancements in electronic materials and designs. As the industry evolves, Arai's inventions serve as a testament to the critical role of dedicated inventors in shaping the future of technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile