Location History:
- Kodaira, JA (1976 - 1977)
- Kadaira, JP (1982)
- Kodaira, JP (1978 - 1990)
Company Filing History:
35 out of 42,496 
3 out of 522 
3 out of 372 
Years Active: 1976-1990
Title: Eiichi Maruyama: A Technological Virtuoso in Display Devices and Semiconductors
Introduction:
Eiichi Maruyama, a prominent figure in the world of technology, has amassed a remarkable array of achievements throughout his illustrious career. Holding key positions at renowned research institutions and technology companies, Maruyama's contributions in the field of display devices and semiconductors have left a lasting impact. This article delves into his latest patents, noteworthy career highlights, collaborations, and the invaluable contributions he has made to the realm of technological innovation.
Latest Patents:
Among Maruyama's notable patents, two stand out as exemplars of his expertise in display devices and semiconductors. The first patent, titled "Display Device," presents a revolutionary approach to display technology by introducing interconnection parts that extend above the semiconductor layer on the transparent insulating substrate. This design innovation eliminates the risk of disconnection and enhances the device's overall efficiency.
The second patent, titled "Heterojunction FET with Doubly-Doped Channel," describes a semiconductor device that incorporates a novel hetero-junction structure, utilizing semiconductor layers with varying impurity concentrations. This design achieves a lower electrical resistance in the source and drain regions, thereby improving the functionality of the device.
Career Highlights:
Throughout his career, Maruyama held key positions in prominent technology companies. He contributed extensively to Hitachi Co., Ltd, a renowned technology and engineering conglomerate. His invaluable expertise played a crucial role in driving advancements in display devices and semiconductors within the company.
Furthermore, Maruyama's career path led him to work at Nippon Telegraph and Telephone Public Corporation. As one of Japan's largest telecommunications companies, NTT Corporation provided a platform for Maruyama to further his expertise and contribute to the development of cutting-edge technologies.
Collaborations:
Maruyama's contributions to the world of technology were not limited to individual endeavors. Throughout his career, he collaborated with esteemed colleagues and fellow inventors, including Tadaaki Hirai and Yoshinori Imamura. These partnerships led to breakthrough innovations, further solidifying Maruyama's position as a respected technological pioneer.
Conclusion:
Eiichi Maruyama's remarkable career and numerous accolades in the realm of display devices and semiconductors cement his legacy as a true technological virtuoso. His groundbreaking patents, noteworthy career highlights, and collaborations have shaped the industry and set new benchmarks for innovation. Maruyama's contributions continue to inspire further advancements, making him an invaluable figure in the field of technological invention and patenting.