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Forward Citations = 41

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15 inventors (with patents filed for the assignee):

Susumu Nakayama (4 out of 24 patents)

Kenji Tojo (2 out of 54 patents)

Kenji Matsumura (2 out of 2 patents)

4. Kazumoto Urata (1 out of 24 patents)

5. Mutsunori Matsunaga (1 out of 24 patents)

6. Hitoshi Matsushima (1 out of 54 patents)

7. Shigekazu Nozawa (1 out of 18 patents)

8. Yoshikatsu Tomita (1 out of 7 patents)

9. Syunsuke Yasunori (1 out of 2 patents)

10. Kazuto Higa (1 out of 1 patent)

11. Daisuke Kuboi (1 out of 1 patent)

12. Hiroaki Tsuboe (1 out of 4 patents)

13. Akira Saruta (1 out of 8 patents)

14. Yasuhiro Hioki (1 out of 1 patent)

15. Hirokatsu Kohsokabe (1 out of 23 patents)

7 patents: Sort by Forward Citations

1. 7438539 - Hermetic type scroll compressor and refrigerating and air-conditioning apparatus (2008-10-21),

2. 7437882 - Apparatus for driving a compressor and a refrigerating air conditioner (2008-10-21),

3. 6926075 - Plate type heat exchanger (2005-08-09),

4. 6516629 - Refrigeration cycle (2003-02-11),

5. 6467304 - Refrigeration cycle (2002-10-22),

6. 6422844 - Screw compressor (2002-07-23),

7. 6408645 - Air-conditioner, outdoor unit and refrigeration unit (2002-06-25),

Hitachi Air Conditioning Systems Co., Ltd. is a leading global provider of air conditioning solutions. As part of the Hitachi group, a renowned Japanese conglomerate, the company offers a wide range of reliable and efficient air conditioning systems for residential, commercial, and industrial applications. Their products are known for their high quality, energy efficiency, and innovative technologies.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

7 Patents

#2,034 in Tokyo

#5,301 in Japan

Tokyo, Japan

Hitachi Air Conditioning Systems Co., Ltd.