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Hitachi Home and Life Solutions, Inc.

USPTO Granted Patents = 8

EPO Patents = 1

Forward Citations = 542

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36 inventors (with patents filed for the assignee):

Hirofumi Tanaka (4 out of 6 patents)

Koichi Umezawa (2 out of 11 patents)

Saku Egawa (2 out of 15 patents)

4. Yutaka Arai (2 out of 3 patents)

5. Shoji Hayashi (2 out of 5 patents)

6. Yukiji Iwase (2 out of 18 patents)

7. Yasuyuki Hiruta (2 out of 5 patents)

8. Kyouichi Kanno (2 out of 2 patents)

9. Susumu Sato (2 out of 7 patents)

10. Naofumi Kitagawa (2 out of 2 patents)

11. Naruhiko Suzuki (2 out of 5 patents)

12. Yasunori Kotaka (2 out of 2 patents)

13. Makoto Hattori (1 out of 103 patents)

14. Yasuhiro Asa (1 out of 6 patents)

15. Kenji Kubo (1 out of 33 patents)

8 patents: Sort by Forward Citations

1. 7515991 - Self-propelled cleaning device and method of operation thereof (2009-04-07),

2. 7418762 - Self-propelled cleaning device and charger using the same (2008-09-02),

3. 7276099 - Electric vacuum cleaner (2007-10-02),

4. 7207083 - Electric vacuum cleaner (2007-04-24),

5. 7074023 - Scroll compressor (2006-07-11),

6. 7064967 - Fuel cell system and control method (2006-06-20),

7. 7064514 - Motor drive system for AC motors (2006-06-20),

8. 7033150 - Hermetic type compressor (2006-04-25),

Hitachi Home and Life Solutions, Inc. is a leading provider of air conditioning and refrigeration solutions. With a focus on energy efficiency and sustainable development, the company offers a range of products that cater to both residential and commercial markets. The brand is known for its innovative technology and high-quality products that provide comfort and convenience to consumers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

8 Patents

#1,908 in Tokyo

#4,916 in Japan

Hitachi Home and Life Solutions, Inc.

Forward Citations = 542

36 inventors:

Hirofumi Tanaka (4 out of 6 patents)

Koichi Umezawa (2 out of 11 patents)

Saku Egawa (2 out of 15 patents)

4. Yutaka Arai (2 out of 3 patents)

5. Shoji Hayashi (2 out of 5 patents)

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