% Expired Patents = 25.0

EPO Patents = 1

Trademarks = 1

Forward Citations = 15

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3 inventors (with patents filed for the assignee):

Setsuo Hotani (6 out of 7 patents)

Akihiko Hotani (1 out of 1 patent)

Hiroki Wada (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 10800007 - Roll shaft for brush roll and brush roll (2020-10-13),

2. 10363587 - Bristle element for brush and brush roll (2019-07-30),

3. 7238284 - Apparatus for processing alkaline solution (2007-07-03),

4. 7238226 - Defoaming apparatus (2007-07-03),

5. 6471575 - Brush roll and its brush device (2002-10-29),

6. 6216304 - Apparatus for cleaning strips (2001-04-17),

7. 5575704 - Method of polishing metal strips (1996-11-19),

8. 4993198 - Brush roll for brushing metal plates (1991-02-19),

Company Overview

Hotani Co., Ltd. is a leading manufacturer of high-quality consumer electronics and home appliances. With a focus on innovation and customer satisfaction, Hotani strives to provide cutting-edge products that enhance the daily lives of its customers. The company's diverse product lineup includes smart TVs, refrigerators, air conditioners, and more. Hotani Co., Ltd. is committed to delivering reliable and energy-efficient solutions that meet the needs of modern households.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#13 in Wakayama

#5,045 in Japan

Wakayama, Japan

Hotani Co., Ltd.

Forward Citations = 15

3 inventors:

Setsuo Hotani (6 out of 7 patents)

Akihiko Hotani (1 out of 1 patent)

Hiroki Wada (1 out of 1 patent)

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

1 patent (EPO):

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]