Company Filing History:
2 out of 3,591 
2 out of 8,777 
1 out of 306 Years Active: 2005-2014
Title: Tetsuya Fukushima: Innovator in Circuit Device Technology
Introduction
Tetsuya Fukushima is a notable inventor based in Fukaya, Japan. He has made significant contributions to the field of circuit device technology, holding a total of 4 patents. His work focuses on improving connection reliability and manufacturing efficiency in circuit devices.
Latest Patents
Fukushima's latest patents include a "Circuit device having funnel shaped lead and method for manufacturing the same." This invention provides a circuit device that demonstrates improved connection reliability while being mounted. The design includes an island with leads arranged around it, each lead having a lower surface and a side surface exposed to the outside. A semiconductor element is mounted on the island and electrically connected to the leads through thin metal wires. The exposed end portion of the lead is formed to spread toward the outside, increasing the area where the lead contacts a brazing filler material, thus enhancing connection strength.
Another significant patent is the "Lead frame and method for manufacturing circuit device using the same." This invention enables efficient manufacturing of multiple circuit devices. The lead frame features units arranged with frame-shaped first and second supporters provided around them for mechanical support. A half groove is included in the first supporter at a portion on an extended line of a dividing line defined at the boundary between adjacent units. Additionally, a penetration groove is provided in the second supporter at another dividing line.
Career Highlights
Fukushima has worked with prominent companies in the semiconductor industry, including Semiconductor Components Industries, LLC and Sanyo Electric Co., Ltd. His experience in these organizations has contributed to his expertise in circuit device technology.
Collaborations
Throughout his career, Tetsuya Fukushima has collaborated with notable colleagues such as Takashi Kitazawa and Isao Ochiai. These collaborations have likely enriched his work and led to innovative advancements in his field.
Conclusion
Tetsuya Fukushima is a distinguished inventor whose work in circuit device technology has led to several important patents. His contributions continue to influence the industry, showcasing his commitment to innovation and excellence.