Yukihisa Niimi

This inventor holds 6 USPTO granted patents. Top assignees: Kao Soap Company, Ltd., Kanebo, Limited. Active years: 1976-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukihisa Niimi. Retrieved from https://idiyas.com/inventor/yukihisa-niimi

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 = 2.7

ph-index = 4

Forward Citations = 54(Granted Patents)

Location History:

Osaka, J (1976)
Osaka, JA (1976 - 1977)
Osaka, JP (1980)
Sakura, JP (1981)

Company Filing History:

6 out of 341

Kao Soap Company, Ltd.

where one patent can have more than one assignee

Years Active: 1976-1981

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4267077 - Detergent composition for dry cleaning (1981-05-12),

2. 4225311 - Dye composition containing a copolymer of ethylene oxide and propylene (1980-09-30),

3. 4016123 - Process for preparation of cationic resin aqueous emulsions (1977-04-05),

4. 4008196 - Process for preparation of amphoteric resinous aqueous emulsions (1977-02-15),

5. 3997491 - Process for preparation of anionic resinous aqueous emulsions (1976-12-14),

6. 3952128 - Durable antistatic agent, hydrophobic fibers and fibrous structures (1976-04-20),

Title: The Innovative Contributions of Yukihisa Niimi

Introduction

Yukihisa Niimi is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of detergent and dye compositions, holding a total of five patents. His work has had a considerable impact on the cleaning and dyeing industries.

Latest Patents

One of his latest patents is a detergent composition for dry cleaning. This innovative formulation is designed to provide high washing power while also imparting softening and antistatic effects to treated clothing. The composition includes a quaternary ammonium salt, an alkanolamine salt of an anionic surfactant, and a solvent. Another notable patent is a dye composition that contains a copolymer of ethylene oxide and propylene. This dye composition features a water-insoluble dye and a nonionic surfactant, which is present in a range of 10-150% by weight based on the dye.

Career Highlights

Throughout his career, Yukihisa Niimi has worked with prominent companies such as Kao Soap Company, Ltd. and Kanebo, Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of cleaning and dyeing products.

Collaborations

Yukihisa Niimi has collaborated with several talented individuals in his field, including Kazuo Matsuda and Hidemasa Ohmura. These collaborations have contributed to the advancement of his research and the successful development of his patented inventions.

Conclusion

Yukihisa Niimi's contributions to the fields of detergent and dye compositions highlight his innovative spirit and dedication to improving cleaning technologies. His patents reflect a commitment to enhancing product performance and user experience.

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]