Hisayuki Tsujinaka

Title: Hisayuki Tsujinaka: Innovator in Pattern Inspection Technology

Introduction

Hisayuki Tsujinaka is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of pattern inspection technology, holding a total of four patents. His work focuses on improving the accuracy and efficiency of inspecting printed patterns, which is crucial in various manufacturing processes.

Latest Patents

His latest patents include a "Method of and apparatus for inspecting the minimum annular width of a printed pattern." This invention involves using a photoelectric image sensor to read a wiring pattern and a through hole, allowing for the detection of the minimum annular width of the land, regardless of the direction of deviation. Another notable patent is the "Method of and apparatus for detecting pattern defects." This method expands the periphery of a master pattern area to perform pixel-by-pixel comparisons with an object pattern, enabling high-accuracy detection of pattern defects even in the presence of misregistration errors.

Career Highlights

Hisayuki Tsujinaka is associated with Dainippon Screen Mfg. Co., Ltd., a company known for its advanced manufacturing technologies. His work has significantly impacted the industry, enhancing the capabilities of pattern inspection systems.

Collaborations

Throughout his career, Tsujinaka has collaborated with notable colleagues, including Tetsuo Sano and Eiji Kodama. These collaborations have contributed to the development of innovative solutions in the field of pattern inspection.

Conclusion

Hisayuki Tsujinaka's contributions to pattern inspection technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the challenges in the industry and provide effective solutions to enhance manufacturing processes.