This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Kobe Seiko Sho. Active years: 1984-1987.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shimonoseki, JP (1984 - 1986)
- Yamaguchi, JP (1987)
Company Filing History:
Years Active: 1984-1987
Title: The Innovations of Takashi Matsui
Introduction
Takashi Matsui is a prominent inventor based in Shimonoseki, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper alloys. With a total of 3 patents to his name, Matsui's work has had a substantial impact on the semiconductor industry.
Latest Patents
Matsui's latest patents include innovative developments in copper alloys and lead materials for semiconductor devices. One of his notable patents describes a copper alloy that comprises 1.0 to 3.5 wt. % of Ni, 0.2 to 0.9 wt. % of Si, 0.02 to 1.0 wt. % of Mn, 0.1 to 5.0 wt. % of Zn, 0.1 to 2.0 wt. % of Sn, and 0.001 to 0.01 wt. % of Mg, along with trace amounts of Cr, Ti, and Zr. This alloy is particularly suitable for lead frames used in semiconductors, terminals, and connectors. The production process involves cooling from a temperature above 600°C at a rate of 5°C per second or higher after hot rolling, followed by specific annealing and refining processes.
Another significant patent focuses on lead materials for semiconductor devices, which consist of 0.4 to 4.0 wt. % of Ni, 0.1 to 1.0 wt. % of Si, and other elements, with the balance being copper and inevitable impurities. This material may also include trace amounts of hydrogen and oxygen, enhancing its suitability for semiconductor applications.
Career Highlights
Matsui is currently associated with Kabushiki Kaisha Kobe Seiko Sho, where he continues to innovate and develop new materials for the semiconductor industry. His expertise in materials science has positioned him as a key figure in his field.
Collaborations
Throughout his career, Matsui has collaborated with notable colleagues, including Motohisa Miyafuji and Hidekazu Harada. These collaborations have further enriched his work and contributed to the advancement of semiconductor materials.
Conclusion
Takashi Matsui's contributions to the field of materials science, particularly in copper alloys and semiconductor materials, highlight his innovative spirit and dedication to advancing
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile