Company Filing History:
13 out of 696 
13 out of 100 Years Active: 1990-1992
Title: Yoshihisa Ogiwara: A Pioneer in Silicon Thin Film Transistor Technology
Introduction
Yoshihisa Ogiwara is a notable inventor hailing from Tochigi, Japan. With a remarkable portfolio of 13 patents, he has made significant contributions to the field of semiconductor technology, particularly in the development of silicon thin film transistors. His innovative designs have been instrumental in advancing electronic devices and their functionalities.
Latest Patents
Among his latest creations, Yoshihisa Ogiwara's patent for a silicon thin film transistor array stands out. This inventive array comprises multiple silicon thin film transistors organized in an array-like configuration. Each transistor features a unique structure, which includes an insulating substrate, a gate electrode, and a gate insulating layer. He has ingeniously developed pairs of first impurity contained silicon layers that cross the terminal part of the gate electrode, coupled with an intrinsic silicon layer that connects these pairs. Moreover, protective insulation layers and contact points for source and drain electrodes enhance the efficiency and effectiveness of these transistors. His work showcases the sophistication and potential of silicon thin film technology in modern applications.
Career Highlights
Yoshihisa Ogiwara's career spans tenure at distinguished companies, such as Seikosha Co., Ltd. and Nippon Precision Circuits Inc. Throughout his professional journey, he has constantly strived to innovate and refine the possibilities within semiconductor technology. His commitment to research and development has solidified his reputation as a leading inventor in his field.
Collaborations
In his pursuit of excellence, Ogiwara has collaborated with esteemed colleagues, including Sakae Tanaka and Yoshiaki Watanabe. Together, they have elevated the standards of innovation and further enhanced the capabilities of silicon-based technologies. Their teamwork exemplifies the importance of collaboration in the realm of invention and development.
Conclusion
Yoshihisa Ogiwara stands as a prominent figure in the world of inventions, particularly with his advancements in silicon thin film transistors. His innovative designs, substantial patent portfolio, and collaboration with fellow experts promote ongoing growth and development in the field of semiconductor technology. As the demand for more efficient electronic devices increases, Ogiwara's contributions remain vital in shaping the future of technology.