Location History:
- Yokohama, JA (1977)
- Kawasaki, JP (1978 - 1979)
- Inagi, JP (1980 - 1981)
- Tokyo, JP (1997)
- Yokohama, JP (1978 - 1998)
- Koganei, JP (1996 - 1998)
Company Filing History:
26 out of 52,766 
14 out of 2,916 
5 out of 681 
Years Active: 1977-1998
Areas of Expertise:
Title: Innovations and Contributions of Kiyofumi Ochii
Introduction
Kiyofumi Ochii is a prominent inventor based in Yokohama, Japan, holding an impressive portfolio of 46 patents. His work primarily focuses on advancements in semiconductor technology and display devices, which have significantly impacted the field of electronics.
Latest Patents
Ochii's latest innovations include a semiconductor memory device featuring a capacitor of thin film transistor. This device involves a selection transistor connected to a word line, with its source linked to a bit line. The drain of the selection transistor connects to a storage node vital for the capacitor structure. Moreover, the capacitor is designed with a plate electrode insulated from the storage node, containing a region of lower impurity concentration which allows an inverted layer to form in response to the stored data. During read operations, pulse generation means output a pulse signal, elevating the potential of the plate electrode.
Another significant patent is for a low power consumption liquid crystal display device, optimized for portable data processing applications. This device includes a switch element array substrate with intersecting data and scanning lines, forming matrix intersection points. Each intersection is equipped with pixel electrodes and switching elements that control the application of write voltage. A counter substrate and liquid crystal layer are incorporated to ensure effective data display, while memory elements maintain the write voltage as data.
Career Highlights
Throughout his career, Kiyofumi Ochii has contributed to prestigious companies such as Toshiba Corporation and Tokyo Shibaura Denki Corporation. His innovative work has led to significant advancements in semiconductor and display technologies, reinforcing his reputation in the electronics industry.
Collaborations
Ochii has collaborated with notable colleagues such as Yasoji Suzuki and Fujio Masuoka. Their combined expertise and shared vision have driven many successful projects, further enhancing the quality and impact of their innovations.
Conclusion
Kiyofumi Ochii's contributions to semiconductor memory devices and liquid crystal displays reflect his remarkable ingenuity and dedication to technological advancement. With numerous patents to his name, his work continues to inspire future innovations in the field. His collaborations with esteemed professionals highlight the importance of teamwork in achieving groundbreaking results in technology.