This inventor holds 4 USPTO granted patents. Top assignee: Shinko Electric Industries Co., Ltd.. Active years: 1989-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nakano, JP (1989)
- Nagano, JP (1995 - 1998)
Company Filing History:
Years Active: 1989-1998
Title: Toshikazu Takenouchi: Innovator in Multilayer Circuit Board Technology
Introduction
Toshikazu Takenouchi is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of electronics, particularly in the development of multilayer circuit boards. With a total of 4 patents to his name, Takenouchi's work has advanced the technology used in semiconductor devices.
Latest Patents
Among his latest patents is a multilayer circuit board and the process of production thereof. This innovative circuit board comprises multiple substrates, each featuring a thermosetting resin film and a metal layer. The design includes via holes filled with thermoplastic polyimide resin containing electrically conductive material, forming electrically conductive vias. The metal layer is configured as a predetermined circuit pattern that connects electrically to the vias. The substrates are laminated together using thermoplastic polyimide film, enhancing their structural integrity.
Another notable patent is the multi-layer lead-frame for a semiconductor device. This lead-frame consists of a signal layer made from a metal strip with a signal pattern that includes several lead lines. A power supply layer is laminated to the signal layer, while a ground layer is adhered to the power supply layer. A ceramic plate made from a ferroelectric substance is positioned between the power supply and ground layers, with conductive adhesive material ensuring proper adhesion and functionality.
Career Highlights
Toshikazu Takenouchi is currently employed at Shinko Electric Industries Co., Ltd., where he continues to innovate in the field of electronics. His work has been instrumental in enhancing the performance and reliability of electronic devices.
Collaborations
Throughout his career, Takenouchi has collaborated with notable colleagues, including Mikiko Wakabayashi and Fumio Miyagawa. These collaborations have contributed to the advancement of technology in their respective fields.
Conclusion
Toshikazu Takenouchi's contributions to multilayer circuit board technology and semiconductor devices have established him as a key figure in the electronics industry. His innovative patents reflect his commitment to advancing technology and improving electronic device performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile