Tsuchiura, Japan

Tatsunari Satou

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1998-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsunari Satou. Retrieved from https://idiyas.com/inventor/tatsunari-satou

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 = 3.0

ph-index = 3

Forward Citations = 62(Granted Patents)


Location History:

  • Tsuchiura, JP (1998 - 1999)
  • Ibaraki, JP (2000)

Company Filing History:


Years Active: 1998-2000

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3 patents (USPTO):Explore Patents

Title: Innovations by Tatsunari Satou

Introduction

Tatsunari Satou is a notable inventor based in Tsuchiura, Japan. He has made significant contributions to the field of printing technology, holding a total of 3 patents. His work focuses on enhancing image quality and efficiency in digital printing.

Latest Patents

One of his latest patents is a picture quality stabilizer for a color laser printer. This innovative device compensates for changes in gray level characteristics and color balance caused by variations in temperature and humidity. The apparatus includes a temperature and humidity sensor, correction tables, and interpolation means to ensure a stable reproduced image.

Another significant patent is a digital halftoning apparatus and method. This technology allows a raster device, such as a digital printer, to convert input image data into binary or multi-level pixel data. By decomposing the input image into CMYK color planes and utilizing a dither matrix, the apparatus achieves a smooth gradation with 120 or more halftone levels, providing high-resolution output at a low cost.

Career Highlights

Tatsunari Satou is currently employed at Hitachi, Ltd., where he continues to innovate in the field of printing technology. His work has been instrumental in advancing the capabilities of digital printers, making them more efficient and effective.

Collaborations

He has collaborated with notable coworkers, including Taisaku Seino and Takeshi Shibuya, contributing to various projects that enhance printing technology.

Conclusion

Tatsunari Satou's contributions to the field of printing technology through his patents demonstrate his commitment to innovation and excellence. His work continues to influence the industry, paving the way for future advancements in digital printing.

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]
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