Location History:
- Shizuoka-ken, JP (1998)
- Kawasaki, JP (2017 - 2018)
- Tokyo, JP (1985 - 2019)
Company Filing History:
25 out of 90,753 
7 out of 7,529 
1 out of 246 
Years Active: 1985-2019
Title: The Innovative Contributions of Toshihiko Ochiai
Introduction
Toshihiko Ochiai, based in Tokyo, Japan, is a highly innovative inventor with an impressive portfolio of 33 patents. His work primarily focuses on semiconductor technology, where he has made significant advancements that have impacted the industry.
Latest Patents
One of his latest patents describes a semiconductor device consisting of first and second semiconductor components mounted on an interposer situated on a wiring substrate. These components are electrically connected through the interposer, which contains several wiring layers, including first, second, and third layers stacked from a reference surface. Notably, in the first region between the two semiconductor components, the proportion of reference potential wiring in the third layer exceeds that in the first layer. Furthermore, the signal wiring ratio in the first layer is higher than in the third layer.
Another significant patent addresses a semiconductor device incorporating a Through Silicon Via (TSV) that penetrates a silicon substrate. This design features a seal ring made from low relative permittivity films surrounding the TSV when viewed from the wafer's front surface. This innovative arrangement effectively helps to suppress crack generation or progression in the low relative permittivity film within semiconductor devices.
Career Highlights
Toshihiko has worked with notable companies in the field, including Canon Kabushiki Kaisha and Renesas Electronics Corporation. His contributions to these organizations have furthered advancements in semiconductor technology, allowing for improved device performance and reliability.
Collaborations
Throughout his career, Toshihiko has collaborated with respected colleagues such as Toshiaki Miyashiro and Takehiko Suzuki. These partnerships have resulted in the development of pioneering technologies that exemplify the collaborative spirit in research and innovation.
Conclusion
With a strong foundation in semiconductor device technology and numerous patents to his name, Toshihiko Ochiai is a prominent figure in the innovation landscape. His inventions not only showcase his expertise but also contribute to the ongoing evolution of the semiconductor industry.