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For the Inventor, By the Inventor

Narashino, Japan

Haruhiko Arai

This inventor holds 17 USPTO granted patents, primarily in Detergent Formulations. Top assignee: Kao Soap Company, Ltd.. Active years: 1976-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruhiko Arai. Retrieved from https://idiyas.com/inventor/haruhiko-arai

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 8

Forward Citations = 166(Granted Patents)


Location History:

  • Narashino, JA (1976 - 1978)
  • Narashino, JP (1978 - 1979)

Company Filing History:

goldMedal17 out of 341 
 
Kao Soap Company, Ltd.
 patents

Years Active: 1976-1979

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Areas of Expertise:
Detergent Composition
Fabric Softener
Deodorizing Composition
Phosphoric Acid
Surfactants
Yellowing Prevention
Aerosol Composition
Skin Irritation
Sodium Percarbonate
Fatty Acid Soap
High Foaming
Drain Treatment
17 patents (USPTO):Explore Patents
1. 4175051 - Scouring pad containing phosphoric acid ester-fatty acid soap mixtures (1979-11-20),
2. 4166048 - High foaming detergent composition having low skin irritation properties (1979-08-28),
3. 4154817 - Smell-removing and deodorizing composition and process of using same (1979-05-15),
4. 4144177 - Softener composition for fabrics (1979-03-13),
5. 4134840 - Softener composition for fabrics (1979-01-16),
6. 4102795 - Softener composition for fabrics or hair (1978-07-25),
7. 4092272 - Liquid detergent composition (1978-05-30),
8. 4088596 - Method of treating drains (1978-05-09),
9. 4083954 - Aerosol composition (1978-04-11),
10. 4078055 - Deodorizing and smell-removing composition and method of using same (1978-03-07),
11. 4071462 - Process for preparation of sodium percarbonate or sodium perborate of (1978-01-31),
12. 4038196 - Softening agent for woven fabrics (1977-07-26),
13. 3992304 - Softening agent for a woven fabric (1976-11-16),
14. 3988265 - Detergent compositions containing 1-hydroxyalkane-sulfate, surfactants, (1976-10-26),
15. 3979306 - Method and composition for finishing clothings to prevent yellowing (1976-09-07),

Title: Haruhiko Arai: A Pioneer in Detergent Innovation

Introduction: Haruhiko Arai, an accomplished inventor hailing from Narashino, Japan, has made significant contributions to the field of detergent innovation. With 17 patents to his name, Arai's work continues to impact everyday cleaning products, enhancing their efficiency and user experience.

Latest Patents: Among his latest inventions, Arai has developed a scouring pad that features a unique combination of phosphoric acid ester and fatty acid soap mixtures. This innovation includes a fine metal wire pad with a detergent adhered to it, providing exceptional cleaning power. Another notable patent is his high foaming detergent composition, which boasts low skin irritation properties, incorporating a blend of polyoxyethylene alkyl ether sulfate salts.

Career Highlights: Arai plays a pivotal role at Kao Soap Company, Ltd., where he continues to drive innovation in detergent development. His expertise and dedication have positioned him as a vital contributor to the company's product line, promoting advancements in cleaning technology.

Collaborations: Throughout his career, Arai has worked closely with esteemed colleagues such as Yutaka Minegishi and Yoshinori Naganuma. Their collaborative efforts have led to breakthroughs in detergent formulations, showcasing the power of teamwork in the pursuit of innovation.

Conclusion: Haruhiko Arai's contributions to the field of detergents exemplify the spirit of innovation. With his extensive patent portfolio and collaborative efforts, Arai continues to reshape cleaning products, making them more effective and user-friendly for consumers worldwide.

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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