Location History:
- Tokyo, JA (1976)
- Kurume, JA (1977)
- Tokyo, JP (1980)
Company Filing History:
Years Active: 1976-1980
Title: Iwao Ogura: Innovator in Phosphor Screen Technology
Introduction
Iwao Ogura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of color picture tube technology, particularly in the development of methods for forming phosphor screens. With a total of 5 patents to his name, Ogura's work has had a lasting impact on the industry.
Latest Patents
Ogura's latest patents include innovative methods and apparatuses for the exposure of phosphor screens. One of his notable inventions is a method and apparatus for exposure of phosphor screens, which utilizes a single linear light source in conjunction with a prism device. This arrangement allows for the formation of phosphor stripes or black matrix stripes on the inner surface of a face plate of a cathode-ray tube (CRT). The design eliminates the need for moving parts, enabling the creation of uniform phosphor stripes across the entire surface.
Another significant patent involves a method for forming a stripe-type phosphor screen on the inner surface of a color picture tube. This method also employs a single linear light source and a series of juxtaposed prisms, allowing for the optimal arrangement of virtual linear light sources. This innovation ensures that phosphor stripes of three colors can be formed with consistent width, enhancing the quality of color display in CRTs.
Career Highlights
Iwao Ogura has had a distinguished career at Hitachi, Ltd., where he has been instrumental in advancing display technology. His work has not only contributed to the company's reputation but has also set new standards in the industry.
Collaborations
Throughout his career, Ogura has collaborated with esteemed colleagues such as Eiichi Yamazaki and Koichi Maruyama. These partnerships have fostered a creative environment that has led to groundbreaking advancements in phosphor screen technology.
Conclusion
Iwao Ogura's contributions to the field of color picture tubes and phosphor screen technology are noteworthy. His innovative patents and collaborative efforts have significantly influenced the development of display technologies. His work continues to inspire future advancements in the industry.