Riccar Company, Ltd.

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USPTO Granted Patents = 5

Trademarks = 1

Forward Citations = 65

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6 inventors (with patents filed for the assignee):

Shigeki Kondo (3 out of 3 patents)

Tomofumi Iketani (3 out of 3 patents)

Keiichiro Doi (3 out of 5 patents)

4. Seiji Tanaka (3 out of 4 patents)

5. Yoshio Yamazaki (3 out of 3 patents)

6. Umeo Doyama (2 out of 2 patents)

5 patents: Sort by Forward Citations

1. 4467162 - Exciting arrangement for induction heating process (1984-08-21),

2. 4430542 - Electromagnetic cooking apparatus (1984-02-07),

3. 4417531 - Sewing machine with electronic controlled stitch pattern generator (1983-11-29),

4. 4351996 - Induction heating apparatus with thermistor and magnetic sensor (1982-09-28),

5. 4258638 - Electromagnetic control device for sewing machine (1981-03-31),

Company Overview

Riccar Company, Ltd. is a leading manufacturer of superior quality vacuum cleaners and sewing machines. With a commitment to providing innovative and reliable products, Riccar has built a reputation for excellence in performance and durability. Established in 1952, Riccar continues to uphold its tradition of quality craftsmanship and customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

5 Patents

#2,725 in Tokyo

#6,661 in Japan

Tokyo, Japan