Location History:
- Yokohama, JP (1984 - 1987)
- Chigasaki, JP (1990 - 1992)
Company Filing History:
Years Active: 1984-1992
Title: Eiichi Hara: Innovator in Image Signal Processing
Introduction
Eiichi Hara is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of image signal processing, holding a total of 6 patents. His work primarily focuses on improving the performance of image sensors used in various applications, including facsimile devices.
Latest Patents
Hara's latest patents include a method and apparatus for correcting image signals. This innovation addresses distortions in image signals outputted from elongated direct contact type image sensors. These sensors read patterns on documents in contact with them. The method corrects shading distortions caused by sensitivity distribution of sensor elements and light distribution from sources onto the document. By utilizing both white and black signals from the sensor, a reference signal is generated to enhance the accuracy of the digital signal output.
Another significant patent involves a line image sensor with controlled photosensitivity. This invention improves the performance of photoelectric transfer elements used in reading written materials. By controlling the photosensitivity in specific regions of the photoelectric transfer element, Hara's innovation enhances the overall effectiveness of the reading sensor.
Career Highlights
Eiichi Hara is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop and refine his inventions, contributing to advancements in image processing technology.
Collaborations
Hara has collaborated with notable colleagues, including Tatsuya Nagata and Takehiko Yamada. Their combined expertise has fostered a productive environment for innovation and development in their respective fields.
Conclusion
Eiichi Hara's contributions to image signal processing through his patents demonstrate his commitment to innovation and technology. His work continues to influence the development of advanced imaging systems, showcasing the importance of inventors in driving progress in technology.