Kitano Co., Ltd.

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 68

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4 inventors (with patents filed for the assignee):

Kiyoshi Imai (3 out of 3 patents)

Katsunori Shimakura (1 out of 1 patent)

Masayoshi Takaoka (1 out of 1 patent)

4. Tatsuro Nagao (1 out of 4 patents)

4 patents: Sort by Forward Citations

1. 11400471 - Airless container (2022-08-02),

2. 5653343 - Container for an electric toothbrush (1997-08-05),

3. 5590434 - Electric toothbrush (1997-01-07),

4. 5575380 - Electric switch having a seal device (1996-11-19),

Company Overview

Kitano Co., Ltd. is a Japanese company specializing in the manufacturing and distribution of personal care and household products. Established in 1926, Kitano has a long history of providing high-quality products to meet the diverse needs of consumers. With a focus on innovation and customer satisfaction, Kitano continues to expand its product line and market presence.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#41 in Toyama 939-0643

#7,590 in Japan

Toyama, Japan

Kitano Co., Ltd.

Forward Citations = 68

4 inventors:

Kiyoshi Imai (3 out of 3 patents)

Katsunori Shimakura (1 out of 1 patent)

Masayoshi Takaoka (1 out of 1 patent)

4. Tatsuro Nagao (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kitano Co., Ltd.. Retrieved from https://idiyas.com/company/kitano-company

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

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]