Company Filing History:
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Years Active: 1987-2005
Title: Kazuhisa Yoshiwara: Innovator in Image-Pickup Technology
Introduction
Kazuhisa Yoshiwara is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of image-pickup technology, holding a total of 2 patents. His work focuses on methods and apparatuses that enhance the performance of solid-state image-pickup devices.
Latest Patents
Yoshiwara's latest patents include a method of detecting defective pixels in solid-state image-pickup devices and an image-pickup apparatus utilizing this method. This innovative approach allows for the identification of defective pixels by generating values based on signal levels from inspected pixels and their neighboring pixels. Additionally, he has developed a circuit for generating signals that correct registration in color television cameras. This digital registration circuit stores correction quantities in a digital memory, converting them into analog signals to ensure accurate image reproduction.
Career Highlights
Throughout his career, Yoshiwara has worked with prominent companies such as Hitachi, Ltd. and Hitachi Denshi Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to advancements in imaging technology.
Collaborations
Yoshiwara has collaborated with notable coworkers, including Takuma Kodama and Kenji Takahashi. Their combined expertise has fostered innovation in the field of image processing.
Conclusion
Kazuhisa Yoshiwara's contributions to image-pickup technology through his patents and career achievements highlight his role as a significant inventor in this domain. His work continues to influence advancements in imaging systems.