Tomiji Hotta

Title: The Innovations of Tomiji Hotta

Introduction

Tomiji Hotta is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of optical apparatus, holding a total of 5 patents. His work has advanced the technology used in imaging and inspection processes.

Latest Patents

One of his latest patents is a reflection type optical apparatus. This invention includes a beam splitter, a first polarizing plate, and a quarterwave plate arranged on the optical axis of an image formation lens. The design allows for an increased angular aperture of the illuminating light, enabling observation of irradiated planes even if they are not perfectly flat. Additionally, it ensures sufficient illuminance while reducing the angular aperture of the objective lens, thereby increasing the depth of focus.

Another significant patent is a pattern masking method and an apparatus for it. This invention involves creating a binarized image data group of an inspected object, which is used to determine if the pattern corresponds to a standard through-hole pattern. When a match is found, the system automatically generates masking data to facilitate the inspection of objects with through-holes using a pattern matching method.

Career Highlights

Tomiji Hotta has worked with prominent companies such as Dainippon Screen Manufacturing Co., Ltd. and Dainippon Screen Seizo Kabushiki-kaisha. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Throughout his career, Hotta has collaborated with talented individuals, including Yoshinori Sezaki and Tetsuo Hoki. These partnerships have likely enriched his work and led to further advancements in his field.

Conclusion

Tomiji Hotta's contributions to optical technology through his patents demonstrate his innovative spirit and dedication to advancing the field. His work continues to influence the development of imaging and inspection technologies.