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For the Inventor, By the Inventor

Wakayama, Japan

Masayuki Mishima

This inventor holds 6 USPTO granted patents. Top assignees: Kao Corporation, Research Dev. Corp. of Japan, Research Development Corporation of Japan. Active years: 1987-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Mishima. Retrieved from https://idiyas.com/inventor/masayuki-mishima-phnas98k

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 26(Granted Patents)


Location History:

  • Machida, JP (1987)
  • Wakayama, JP (1991 - 1994)

Company Filing History:

goldMedal5 out of 3,678 
 
Kao Corporation
 patents
silverMedal1 out of 2 
 
Research Dev. Corp. of Japan
 patents
bronzeMedal1 out of 256 
 
Research Development Corporation of Japan
 patents
where one patent can have more than one assignee

Years Active: 1987-1994

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6 patents (USPTO):Explore Patents
1. 5352554 - Organic silicon compound, method of its production, and photoreceptor (1994-10-04),
2. 5290963 - Organic silicon compound, method of its production, and photoreceptor (1994-03-01),
3. 5187310 - Organic silicon compound, method of its production, and photoreceptor (1993-02-16),
4. 5032479 - Ion transport photoreceptor for electrophotography (1991-07-16),
5. 4715961 - Urea adsorbent (1987-12-29),
6. 4677135 - Method of preparing urea adsorbent (1987-06-30),

Title: Masayuki Mishima: A Pioneer in Organic Silicon Compounds

Introduction

Masayuki Mishima, located in Wakayama, Japan, is a respected inventor known for his contributions to the field of organic silicon compounds. With a total of six patents, he has demonstrated a significant commitment to innovation. His work is particularly notable for its impact on photoreceptors used in electrophotography.

Latest Patents

Mishima's recent patents include innovative methods for producing organic silicon compounds and developing highly sensitive and durable photoreceptors. One patent focuses on a silicon-containing triarylamine compound represented by a specific chemical formula, which has shown great potential as a charge transport material. Another important patent involves a compound represented by a different formula, aimed at enhancing the functionality of electrophotographic devices.

Career Highlights

Throughout his career, Mishima has made substantial advancements in the field of organic silicon chemistry. His experience includes work with esteemed companies such as Kao Corporation and the Research Development Corporation of Japan. These roles have provided him with the resources and platform to refine his inventions and contribute to significant technological progress.

Collaborations

Mishima's collaborative spirit is highlighted through his work alongside esteemed colleagues, including Harumasa Yamasaki and Takashi Matsuse. Their collective efforts have influenced the direction of innovations in photoreceptor technology and have aided in the successful implementation of his patents.

Conclusion

Masayuki Mishima stands out as a dedicated inventor whose innovative work in organic silicon compounds has fostered advancements in electrophotography. His contributions not only reflect his expertise but also underscore the importance of collaboration and continuous research in the ever-evolving field of technology.

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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