Tokyo, Japan

Sachiko Kawachiya

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sachiko Kawachiya. Retrieved from https://idiyas.com/inventor/sachiko-kawachiya

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 93(Granted Patents)


Location History:

  • Tokyo, JP (1991)
  • Kawasaki, JP (1992)

Company Filing History:


Years Active: 1991-1992

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Sachiko Kawachiya: Innovator in Document Processing Technology

Introduction

Sachiko Kawachiya is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of document processing technology. With a total of 2 patents, her work focuses on improving the efficiency and accuracy of document image processing.

Latest Patents

Kawachiya's latest patents include a method and apparatus for processing a document by utilizing an image. This innovative document processor is designed to handle document images that contain both tables formed by ruled lines and characters. The system includes an image input device for reading the document image, a display for visualizing the document, and a processor that corrects skew in the input image. It detects areas of successive black pixels and character areas, converting the image into a second document image that retains only the ruled lines. The processor consolidates horizontal and vertical temporary lines into solid lines, storing data that defines their positions and sizes.

Another notable patent is an image data filing system and image data correcting method. This system reads a document image from an image file, converts it into dots, and prints it on correction paper. An operator can write correction information on this paper, which is then inputted back into the image file system. The system synthesizes the correction information with the original image, storing the corrected version in the image file.

Career Highlights

Kawachiya is currently employed at Hitachi, Ltd., where she continues to develop innovative solutions in document processing. Her work has been instrumental in advancing the capabilities of document management systems.

Collaborations

Some of her notable coworkers include Haruo Takeda and Toshihiro Hananoi, who have collaborated with her on various projects within the company.

Conclusion

Sachiko Kawachiya's contributions to document processing technology highlight her role as an influential inventor in her field. Her innovative patents demonstrate her commitment to enhancing the efficiency of document management systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…