Location History:
- Hachioji, JP (1994)
- Kodaira, JP (2003 - 2006)
- Hachiohji, JP (1998 - 2007)
Company Filing History:
5 out of 3,781 
5 out of 42,496 
3 out of 217 
Years Active: 1994-2007
Title: The Innovative Journey of Kazuhiro Ohnishi
Introduction
Kazuhiro Ohnishi, an accomplished inventor based in Kodaira, Japan, has made significant contributions to the field of semiconductor technology. With a total of 13 patents to his name, Ohnishi's work focuses on enhancing the functionality and reliability of semiconductor devices. His innovative approach and contributions are a testament to his expertise in the field.
Latest Patents
Among Ohnishi's latest patents is a novel semiconductor device and process for producing a polycrystalline silicon conducting structure. This invention aims to create a resistor with a controlled resistance value that exhibits less variability and reduced temperature dependence. By employing a two-layer structure, Ohnishi's invention incorporates a first polycrystalline silicon layer with large crystal grain size and a second layer with small crystal grain size. The distinct temperature dependencies of these layers optimize the performance of semiconductor devices.
Additionally, Ohnishi has developed a semiconductor device that includes an impurity layer featuring multiple impurity peaks beneath the channel region. This innovative manufacturing method enhances the overall stability of the device by preventing punch-through, ultimately suppressing fluctuations in threshold voltage and improving the switching rate of the MISFET (Metal-Insulator-Semiconductor Field-Effect Transistor).
Career Highlights
Kazuhiro Ohnishi has honed his skills and expertise through his impactful career at notable companies such as Renesas Technology Corporation and Hitachi, Ltd. His tenure at these organizations has provided him with a robust platform to advance his innovative ideas and collaborate with leading experts in the field of semiconductor technology.
Collaborations
Throughout his career, Ohnishi has collaborated with esteemed colleagues, including Takeo Shiba and Yoichi Tamaki. These collaborations have not only enriched his work but have also contributed to the advancement of semiconductor technologies, marking significant milestones in the industry.
Conclusion
Kazuhiro Ohnishi's remarkable achievements in the realm of semiconductor inventions demonstrate his dedication to innovation and excellence. With a portfolio of 13 patents, his contributions are shaping the future of semiconductor technology. His work continues to influence the industry, positioning him as a pioneering figure in the field.