Location History:
- Katsuta, JP (1984 - 1994)
- Hitachinaka, JP (1999 - 2002)
Company Filing History:
8 out of 42,508 
3 out of 67 
Years Active: 1984-2002
Title: Innovator Spotlight: Tatsuya Shigemura
Introduction: Tatsuya Shigemura, a notable inventor hailing from Katsuta, Japan, has made significant contributions to the field of semiconductor technology. With a robust portfolio of eight patents, Shigemura's innovations are pivotal in advancing the reliability and efficiency of semiconductor devices.
Latest Patents: Among his latest innovations is a groundbreaking semiconductor device designed to prevent fatigue failure of the solder layer beneath a semiconductor chip. This invention addresses issues arising from repetitive cycles of power turn-on and turn-off during operation. The device incorporates a recess in the base underneath the semiconductor chip, effectively mitigating thermal expansion and enhancing durability.
Another notable patent involves a wire bonding method and apparatus that allows for flatly thinner plastic deformation of the wire joint section. This technology enables precise positioning of the deformed wire joint on a target surface, subsequently joining it by applying ultrasonic vibrations. The resulting high-power semiconductor device boasts a long lifespan for wire joints, showcasing Shigemura's commitment to improving semiconductor reliability.
Career Highlights: Throughout his career, Tatsuya Shigemura has collaborated with prestigious companies such as Hitachi, Ltd. and Hitachi Video Engineering, Incorporated. His work in these organizations has positioned him as a leading figure in semiconductor innovation, contributing to advancements that have widespread applications in technology.
Collaborations: Shigemura's journey as an inventor has been enriched by his collaborations with esteemed coworkers, including Kiyoshi Kano and Yoshiyuki Tanaka. These partnerships have fostered a dynamic environment for innovation, allowing Shigemura to push the boundaries of what is possible in semiconductor technology.
Conclusion: Tatsuya Shigemura's contributions to the field of semiconductors are a testament to his innovative spirit and dedication to improving device performance. With his multiple patents and collaboration with industry leaders, Shigemura continues to shape the future of semiconductor technology, making significant strides toward more reliable and efficient devices.