Location History:
- Shinjyuku, JA (1977)
- Tokyo, JA (1977)
- Shinjuku, JP (1984)
- Tokyo, JP (1978 - 1989)
Company Filing History:
8 out of 42,496 
1 out of 7 Years Active: 1977-1989
Title: The Innovative Contributions of Masahiko Ogirima
Introduction
Masahiko Ogirima is a notable inventor based in Tokyo, Japan, recognized for his remarkable contributions to the field of semiconductor technology. With a portfolio of eight patents, Ogirima has significantly influenced the development of advanced semiconductor devices through innovative designs and engineering.
Latest Patents
Among his latest innovations, one patent details a sophisticated semiconductor device constructed to include an insulation film in regions other than a protruding portion of a substrate. This design integrates a polycrystalline silicon layer and a metal silicide layer over the insulation film, forming a multi-layer structure. The device features a take-out portion for pivotal components of a bipolar transistor, which is enabled by the combination of polycrystalline silicon and metal silicide. This configuration achieves very low resistance, enhancing the operating speed of the device, while a smooth interface with the substrate minimizes crystal defects. Another notable patent involves a semiconductor device featuring a PN junction formed on an insulator film. This innovation encompasses a semiconductor substrate of a first conductivity type and a semiconductor region above it, with an insulation film that reduces parasitic capacitance by isolating the substrate from a surrounding polycrystalline silicon layer.
Career Highlights
Masahiko Ogirima's career has been marked by his affiliation with leading technology companies like Hitachi, Ltd. and Hitachi Electronics Co., Ltd. His work has consistently pushed the boundaries of semiconductor device technology and has earned him recognition as a prolific inventor.
Collaborations
Throughout his career, Ogirima has collaborated with talented professionals, including Michiyoshi Maki and Naoki Yamamoto. These collaborations have likely contributed to the innovative approaches reflected in his patents, highlighting the importance of teamwork in technological advancements.
Conclusion
Masahiko Ogirima stands out as an influential figure in the field of semiconductor inventions. His eight patents underscore his commitment to innovation and excellence in technology. As the world continues to advance, Ogirima's contributions are likely to inspire future developments within the semiconductor industry.