Location History:
- Oura-gun, JP (1998)
- Gunma, JP (2001 - 2010)
Company Filing History:
Years Active: 1998-2010
Title: Toshimichi Naruse: Innovator in Semiconductor Technology
Introduction
Toshimichi Naruse is a prominent inventor based in Gunma, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on enhancing the reliability and efficiency of semiconductor devices.
Latest Patents
One of Naruse's latest patents is for a resin-sealed semiconductor device and method of manufacturing the same. This innovation involves a semiconductor pellet and chip components that are placed on an insulating substrate and sealed with a molding resin through transfer molding. The design ensures that the chip components surround the semiconductor pellet on all four sides, with their lengthwise directions aligned uniformly. This alignment is crucial during resin injection, as it helps maintain the integrity of the device.
Another notable patent is for a bonding material and circuit device that improves the bonding reliability of brazing materials, such as soft solder. This circuit device features conductive patterns and a bonding material that secures circuit elements to these patterns. The use of Pb-free solder containing Bi enhances the device's performance by suppressing the melting of the bonding material during mounting, thus ensuring greater reliability.
Career Highlights
Toshimichi Naruse is currently employed at Sanyo Electric Co., Ltd., where he continues to innovate in the semiconductor field. His work has been instrumental in advancing the technology used in various electronic devices.
Collaborations
Naruse has collaborated with notable colleagues, including Noriaki Sakamoto and Hajime Kobayashi. Their combined expertise has contributed to the development of cutting-edge semiconductor technologies.
Conclusion
Toshimichi Naruse's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of reliable and efficient electronic devices.