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For the Inventor, By the Inventor

Amagasaki, Japan

Tomoharu Shiozaki

This inventor holds 16 USPTO granted patents. Top assignees: Kanzaki Paper Manufacturing Co., Ltd., Sanko Kaihatsu Kagaku Kenkyusho, Kanzaki Paper Mfg. Co., Ltd.. Active years: 1980-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoharu Shiozaki. Retrieved from https://idiyas.com/inventor/tomoharu-shiozaki

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 71(Granted Patents)


Location History:

  • Hyogo, JP (1990 - 1993)
  • Amagasaki, JP (1980 - 1994)

Company Filing History:

goldMedal15 out of 195 
 
Kanzaki Paper Manufacturing Co., Ltd.
 patents
silverMedal5 out of 24 
 
Sanko Kaihatsu Kagaku Kenkyusho
 patents
bronzeMedal1 out of 61 
 
Kanzaki Paper Mfg. Co., Ltd.
 patents
4. 1 out of 1 
 
Sanko Kaihatsu Kagaku Kenyusho
 patent
where one patent can have more than one assignee

Years Active: 1980-1994

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16 patents (USPTO):Explore Patents
1. 5328884 - Pressure sensitive manifold sheet containing color developer composition (1994-07-12),
2. 5250108 - Color developer composition, process for preparing aqueous dispersion (1993-10-05),
3. 5204190 - Method for preparing aqueous dispersion of developer and (1993-04-20),
4. 5164001 - Method for preparing aqueous dispersion of developer and (1992-11-17),
5. 5118443 - Developer for pressure-sensitive recording sheets, aqueous dispersion of (1992-06-02),
6. 5037797 - Acceptor coated sheet for pressure-sensitive copying system (1991-08-06),
7. 4950330 - Aqueous dispersion of a developer for pressure-sensitive recording sheet (1990-08-21),
8. 4688060 - Pressure sensitive manifold paper (1987-08-18),
9. 4680597 - Self-contained type pressure sensitive record sheet (1987-07-14),
10. 4486762 - Self-contained type pressure sensitive record sheet (1984-12-04),
11. 4439581 - Method for the production of microcapsules (1984-03-27),
12. 4435340 - Process for preparing microcapsules for pressure sensitive manifold paper (1984-03-06),
13. 4403051 - Microcapsule dispersions (1983-09-06),
14. 4336170 - Method of treatment of an aqueous dispension of microcapsules (1982-06-22),
15. 4222891 - Method of making oil-containing microcapsules (1980-09-16),

Title: Inventor Spotlight: Tomoharu Shiozaki

Introduction

Tomoharu Shiozaki is an esteemed inventor based in Amagasaki, Japan. With a remarkable portfolio of 16 patents, he has made significant contributions to the field of color developer compositions, showcasing his innovative spirit and technical expertise.

Latest Patents

Among his latest patents, Shiozaki has developed a "Pressure Sensitive Manifold Sheet Containing Color Developer Composition." This invention features a color developer composition primarily composed of a nucleus-substituted salicylic acid salt, alongside various amide compounds. The formula, which includes unique specifications for its components, underscores his dedication to advancing materials science. Another significant patent is the "Color Developer Composition, Process for Preparing Aqueous Dispersion," which similarly incorporates the nucleus-substituted salicylic acid salt as its main ingredient, demonstrating his consistent focus on improving color developer technologies.

Career Highlights

Tomoharu Shiozaki's professional journey includes valuable experiences at reputable companies such as Kanzaki Paper Manufacturing Co., Ltd. and Sanko Kaihatsu Kagaku Kenkyusho. His roles in these organizations reflect his dedication to researching and developing innovative solutions that meet industry needs.

Collaborations

Throughout his career, Shiozaki has collaborated with notable individuals including Toranosuke Saito and Masato Tanaka. These partnerships have likely facilitated the exchange of ideas and advancements in their respective fields, illustrating the importance of teamwork in the innovation process.

Conclusion

Tomoharu Shiozaki's work exemplifies the spirit of innovation and the impact that inventors have on technology and industry. His contributions through patents in the realm of color developer compositions not only highlight his expertise but also pave the way for future advancements in materials science.

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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