Location History:
- Yokohama, JP (1993 - 1997)
- Hiratsuka, JP (1998 - 2000)
Company Filing History:
Years Active: 1993-2000
Title: Innovator Spotlight: Katsunori Ishihara
Introduction: Katsunori Ishihara is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of semiconductor technology. With a total of six registered patents, Ishihara has made strides that are impactful in the industry, particularly concerning insulation films in semiconductor devices.
Latest Patents: Ishihara's latest patent focuses on a semiconductor device that features an insulation film with a specific breakdown voltage. In his innovation, impurity diffusion layers serve as source and drain regions which are distinctly separated from each other within a silicon substrate. A unique gate insulation film, comprising a silicon oxide film with chlorine concentrations between 1 times 10^18 atoms/cm^3 and 2 times 10^20 atoms/cm^3, is formed using low-pressure chemical vapor deposition (CVD) techniques. This advanced structure is complemented by a gate electrode made of a polysilicon layer. Furthermore, an inter-level insulation film encapsulates the design, with tailored contact holes enabling connections for source and drain electrodes.
Career Highlights: Ishihara has dedicated his expertise to Kabushiki Kaisha Toshiba, where he has played a pivotal role in the development of advanced semiconductor technologies. His prolific output, reflected in his six patents, underscores his commitment to innovation within the industry.
Collaborations: Throughout his career, Katsunori Ishihara has collaborated with notable colleagues such as Yuuichi Mikata and Kiyoshi Hisatomi. These partnerships not only foster an environment of creativity and innovation but also enhance the potential for developing groundbreaking technologies in their field.
Conclusion: Katsunori Ishihara's contributions to semiconductor technology represent a blend of innovative design and practical application. His work at Toshiba and collaboration with esteemed colleagues illustrate the dynamic nature of research and development in this vital sector. As technology continues to evolve, Ishihara’s inventions will likely play a crucial role in shaping the future of electronics.