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For the Inventor, By the Inventor

Nagaokakyo, Japan

Shoji Yamada

This inventor holds 7 USPTO granted patents. Top assignee: Mitsubishi Paper Mills Limited. Active years: 1978-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoji Yamada. Retrieved from https://idiyas.com/inventor/shoji-yamada-thdxfptk

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 61(Granted Patents)


Location History:

  • Nagaokakyo, JA (1978)
  • Nagaokakyo, JP (1981 - 1984)

Company Filing History:

goldMedal7 out of 622 
 
Mitsubishi Paper Mills Limited
 patents

Years Active: 1978-1984

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7 patents (USPTO):Explore Patents
1. 4443531 - Deleting agents for printing plates and method for deletion (1984-04-17),
2. 4361639 - Method for treating lithographic printing plates (1982-11-30),
3. 4355090 - Method for making a diffusion transfer lithographic printing plates with (1982-10-19),
4. 4336321 - Silver halide photographic materials (1982-06-22),
5. 4297430 - Photographic material for production of printing plates and method for (1981-10-27),
6. 4297429 - Photographic material and diffusion transfer processing solution for (1981-10-27),
7. 4073651 - Image-forming layer containing silver halide emulsion and magenta coupler (1978-02-14),

Title: The Innovative Contributions of Shoji Yamada

Introduction

Shoji Yamada is a prominent inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of printing technology, holding a total of 7 patents. His work focuses on improving the efficiency and quality of lithographic printing processes.

Latest Patents

Yamada's latest patents include innovative solutions for offset printing plates. One of his notable inventions is a deletion fluid for offset printing plates that contains an S-triazine compound. This fluid is designed to effectively delete undesired portions of images formed on printing plates. Another significant patent involves a method for treating lithographic printing plates, which enhances ink receptivity and printing endurance through a specialized surface treatment process.

Career Highlights

Shoji Yamada is currently employed at Mitsubishi Paper Mills Limited, where he continues to develop cutting-edge technologies in the printing industry. His expertise and innovative mindset have positioned him as a key figure in advancing printing technologies.

Collaborations

Yamada has collaborated with notable colleagues, including Eiji Kanada and Yasuo Tsubai. These partnerships have fostered a creative environment that encourages the development of new ideas and technologies.

Conclusion

Shoji Yamada's contributions to the field of printing technology are noteworthy and impactful. His innovative patents and collaborative efforts continue to shape the future of lithographic 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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