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For the Inventor, By the Inventor

Yokohama, Japan

Toshio Niwa

This inventor holds 29 USPTO granted patents, primarily in Dye Chemistry. Top assignees: Mitsubishi Chemical Industries Limited, Research Association of Synthetic Dyestuffs, Japan Atomic Energy Institute. Active years: 1984-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Niwa. Retrieved from https://idiyas.com/inventor/toshio-niwa

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

USPTO Granted Patents = 29

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 205(Granted Patents)


Location History:

  • Yokohama, JP (1984 - 1989)
  • Kanagawa, JP (1984 - 1989)

Company Filing History:

goldMedal24 out of 614 
 
Mitsubishi Chemical Industries Limited
 patents
silverMedal4 out of 4 
 
Research Association of Synthetic Dyestuffs
 patents
bronzeMedal1 out of 322 
 
Japan Atomic Energy Institute
 patents
4. 1 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
5. 1 out of 1 
 
Research Association of Synethtic Dyestuffs
 patent
where one patent can have more than one assignee

Years Active: 1984-1989

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Areas of Expertise:
Dyestuffs
Sublimation Transfer
Reactive Dyes
Cellulose Fibers
Disazo Dyes
Azo Dyes
Thermal Printing
Optical Recording
Anthraquinone Dyes
Fluorostriazine
Transfer Recording
Monoazo Dyes
29 patents (USPTO):Explore Patents
1. 4837309 - Monohalo substituted triazinyl monoazo dyestuffs for (1989-06-06),
2. 4829047 - Dye transfer sheet for sublimation heat-sensitive transfer recording (1989-05-09),
3. 4801696 - Phenylazocyanothiopheneazoaniline dyes for dyeing cellulose-containing (1989-01-31),
4. 4777159 - Dye transfer type thermal printing sheets and method for printing (1988-10-11),
5. 4760133 - Process for preparing disazo dyes with bis-anilino methane coupling (1988-07-26),
6. 4743684 - Reactive phthalocyanine dyes (1988-05-10),
7. 4737443 - Optical recording medium (1988-04-12),
8. 4707546 - Reactive monoazo dyestuffs (1987-11-17),
9. 4699982 - Perinone compound (1987-10-13),
10. 4686286 - Disazo reactive dyestuffs for cellulose fibers (1987-08-11),
11. 4657557 - Sheets for sublimation transfer recording (1987-04-14),
12. 4646309 - Dye laser (1987-02-24),
13. 4645832 - Cellulose fiber-reactive disazo or trisazo dyes having a triazine ring (1987-02-24),
14. 4642339 - Thiazoleazophenylaminoethyl carbonyloxy-C.sub.8 -C.sub.10 -alkyl (1987-02-10),
15. 4626590 - Reactive monoazo and disazo pyridone dyestuffs containing a (1986-12-02),

Title: The Innovative Journey of Toshio Niwa

Introduction: Toshio Niwa, a pioneering inventor hailing from Yokohama, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Toshio Niwa's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions.

Career Highlights: With a career spanning over three decades, Toshio Niwa has established himself as a leading figure in the tech industry. His innovative spirit and dedication to research have led to the development of cutting-edge technologies that have shaped the way we live and work today.

Collaborations: Throughout his career, Toshio Niwa has collaborated with top research institutions, universities, and tech companies to further his research and bring his inventions to life. His collaborative efforts have resulted in groundbreaking innovations that have had a lasting impact on society.

Conclusion: Toshio Niwa's passion for innovation and his relentless pursuit of technological advancement have solidified his legacy as a visionary inventor. His contributions to the field of technology continue to inspire future generations of inventors and shape the world we live in.

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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