Location History:
- Sakura, JP (1984)
- Ibaraki, JP (1991)
Company Filing History:
2 out of 1,430 
1 out of 95 
1 out of 4 Years Active: 1984-1991
Title: Hiromitsu Yamada: Innovator in Image Recognition and Optical Character Recognition
Introduction
Hiromitsu Yamada is a notable inventor based in Sakura, Japan. He has made significant contributions to the fields of image recognition and optical character recognition. With a total of 2 patents, Yamada's work showcases his innovative approach to technology.
Latest Patents
Yamada's latest patents include an image recognition system and a feature extraction system for digitized character information. The image recognition system provides a model for a previously defined form, utilizing directional features for evaluation points and shift vectors. This system represents input images through density gradients across different directional planes. It employs parallel processing to perform shift operations and add operations, ultimately finding a total match with the model.
The feature extraction system for digitized character information focuses on optical character recognition. This method extracts necessary character features from digitized patterns detected by optical scanners. It integrates local features from adjacent rows or columns of a character pattern, allowing for the extraction of global features such as concavity, convexity, loops, and connectivity. The system also separates global feature regions and codes them without loss of information, eliminating local noise during the extraction process.
Career Highlights
Throughout his career, Yamada has worked with esteemed organizations such as the Agency of Industrial Science and Technology and Tokyo Keiki Company Limited. His experience in these institutions has contributed to his expertise in developing advanced recognition systems.
Collaborations
Yamada has collaborated with notable individuals in his field, including Kazuhiko Yamamoto and Taiichi Saito. These partnerships have likely enriched his work and fostered innovation in his projects.
Conclusion
Hiromitsu Yamada's contributions to image recognition and optical character recognition demonstrate his commitment to advancing technology. His innovative patents reflect a deep understanding of complex systems and a drive to improve recognition processes.