Location History:
- Aichi, JP (1986)
- Amagasaki, JP (1992)
- Hyogo, JP (1990 - 1996)
Company Filing History:
Years Active: 1986-1996
Title: Hitoshi Tanaka: Innovator in Code Reading Technology
Introduction
Hitoshi Tanaka is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of code reading technology, holding a total of 7 patents. His innovative work has paved the way for advancements in image pickup apparatuses and spatial frequency filters.
Latest Patents
Tanaka's latest patents include a code reading pattern and an image pickup apparatus designed for reading symbols that represent significant information. The code reading pattern is formed by repeated markings of constant pitch on the surface of an object. These markings define an area with at least one boundary, which outlines the symbol. The apparatus features a lighting system that illuminates the code reading pattern with parallel light, an imaging system that captures light reflected from the pattern, and a spatial frequency filtering system. This filtering system is strategically located at the near back focal plane of the imaging system to block regular reflected light while transmitting diffracted light to project an image of the symbol. Additionally, he has developed a method for manufacturing a spatial frequency filter used in pattern defect detection devices, which includes a pattern with a black spot that has a controlled diameter expansion compared to a black spot on a photosensitive plate.
Career Highlights
Hitoshi Tanaka is currently employed at Mitsubishi Electric Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the efficiency and accuracy of code reading systems.
Collaborations
Tanaka has collaborated with notable coworkers, including Toshimasa Tomoda and Nobuyuki Kosaka, contributing to various projects that have furthered their collective expertise in the field.
Conclusion
Hitoshi Tanaka's contributions to code reading technology and his innovative patents highlight his role as a key figure in the advancement of this field. His work continues to influence the development of efficient imaging systems and spatial frequency filters.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.