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For the Inventor, By the Inventor

Hiroshima, Japan

Japan Climate Systems Corporation

Calculating rank
USPTO Granted Patents = 25

% Expired Patents = 32.0


Forward Citations = 40

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43 inventors (with patents filed for the assignee):

goldMedal Hiroshi Hamamoto (11 out of 12 patents)

silverMedal Kou Komori (10 out of 30 patents)

bronzeMedal Kohei Fukawatase (9 out of 9 patents)

4.  Yoshihiko Otake (8 out of 8 patents)

5.  Subaru Matsumoto (8 out of 17 patents)

6.  Takehiro Yamamoto (5 out of 5 patents)

7.  Katsuyoshi Wakano (5 out of 5 patents)

8.  Mio Furui (4 out of 6 patents)

9.  Toshiki Hakata (4 out of 4 patents)

10.  Hideaki Yasuda (4 out of 4 patents)

11.  Tadashi Okamoto (4 out of 4 patents)

12.  Kazumi Fujimoto (3 out of 3 patents)

13.  Yosuke Harada (3 out of 3 patents)

14.  Norihiro Miyamura (3 out of 4 patents)

15.  Kazuhiro Yamamoto (3 out of 3 patents)


Core Competencies:
Vehicle Air Conditioner
Heating Device
Heat Pump
Air-Conditioning Equipment
Blower Device
Fan Attachment
Heat Accumulating System
Battery Pack
Defrosting Mode
Drain Hose
Rear Air-Conditioning Unit
Automotive Air Conditioner

25 patents:

1. 11919366 - Vehicle heating device, and vehicle provided with vehicle heating device (2024-03-05),
2. 11766918 - Vehicle air-conditioning device and vehicle provided with vehicle air-conditioning device (2023-09-26),
3. 11578643 - Vehicular heat accumulating system (2023-02-14),
4. 11417921 - Vehicle battery pack (2022-08-16),
5. 11411266 - Vehicle battery pack (2022-08-09),
6. 10792973 - Blower device for air-conditioning of vehicle (2020-10-06),
7. 10436222 - Fan attachment structure (2019-10-08),
8. 10415583 - Fan attachment structure (2019-09-17),
9. 10384515 - Vehicle air conditioner (2019-08-20),
10. 10377210 - Drain hose (2019-08-13),
11. 10207564 - Vehicle air conditioner (2019-02-19),
12. 10189331 - Vehicle air conditioner (2019-01-29),
13. 10180277 - Vehicle air conditioner (2019-01-15),
14. 10160289 - Air conditioning device for vehicle (2018-12-25),
15. 10052939 - Vehicle air conditioner (2018-08-21),
Company Overview
Japan Climate Systems Corporation specializes in the development and manufacturing of advanced climate control systems, focusing on air conditioning and refrigeration technologies. The company is dedicated to enhancing energy efficiency and environmental sustainability through innovative solutions tailored for various applications, including residential, commercial, and industrial sectors. Based in Hiroshima, Japan, it leverages cutting-edge research and technology to address climate challenges and improve indoor comfort across diverse geographic regions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

25 Patents

#18 in Hiroshima, 729-3431

#2,572 in Japan

#25,748 in the World

Hiroshima, JP
Hiroshima, Japan

Japan Climate Systems Corporation

Forward Citations = 40

43 inventors:

goldMedal Hiroshi Hamamoto (11 out of 12 patents)

silverMedal Kou Komori (10 out of 30 patents)

bronzeMedal Kohei Fukawatase (9 out of 9 patents)

4.  Yoshihiko Otake (8 out of 8 patents)

5.  Subaru Matsumoto (8 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Climate Systems Corporation. Retrieved from https://idiyas.com/company/japan-climate-systems

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]
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