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For the Inventor, By the Inventor

Nagoya, Japan

Paloma Co., Ltd.

USPTO Granted Patents = 18

% Expired Patents = 11.1


Forward Citations = 29

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18 inventors (with patents filed for the assignee):

goldMedal Hiroshi Yamazaki (4 out of 18 patents)

silverMedal Hideki Kijimoto (3 out of 12 patents)

bronzeMedal Tsuneyasu Hayakawa (3 out of 12 patents)

4.  Atsushi Yamane (3 out of 3 patents)

5.  Koki Kanazawa (2 out of 2 patents)

6.  Wataru Nakanishi (2 out of 2 patents)

7.  Hideo Chikazawa (2 out of 8 patents)

8.  Yoshikatsu Tsuji (2 out of 2 patents)

9.  Tsuyoshi Kawada (1 out of 1 patent)

10.  Yasuhiro Sano (1 out of 1 patent)

11.  Hiroshi Oda (1 out of 5 patents)

12.  Masahiro Ota (1 out of 1 patent)

13.  Ryosuke Umemura (1 out of 1 patent)

14.  Tsutomu Homma (1 out of 1 patent)

15.  Hirohisa Narita (1 out of 1 patent)


18 patents:

1. 12038206 - Water heater mounting structure (2024-07-16),
2. 11940181 - Water heater (2024-03-26),
3. 11226134 - Heat exchanger for gas appliance and method for manufacturing heat exchanger for gas appliance (2022-01-18),
4. 11143399 - Premixing device and combustion device (2021-10-12),
5. 10845050 - Premixing device and combustion device (2020-11-24),
6. 10619889 - Water heater (2020-04-14),
7. 10436477 - Water heater (2019-10-08),
8. D858726 - Water heater (2019-09-03),
9. 9625178 - Water heater attachment method and water heater attachment structure (2017-04-18),
10. 9091436 - Rich-lean burner (2015-07-28),
11. 9086010 - Rich-lean burner (2015-07-21),
12. 9004017 - Water heater (2015-04-14),
13. 8905015 - Pulse burner and liquid heating cooker (2014-12-09),
14. 8875619 - Fryer (2014-11-04),
15. 8733297 - Water heater (2014-05-27),
Company Overview
Paloma Co., Ltd., based in Nagoya, Japan, specializes in the development and manufacturing of advanced heating appliances and systems. The company is known for its innovative solutions in the field of gas appliances, particularly focusing on water heaters and cooking equipment. Paloma emphasizes energy efficiency and user-friendly designs, catering to both residential and commercial markets. With a commitment to quality and sustainability, Paloma continues to enhance its product offerings, contributing to the evolving landscape of home and industrial heating technologies.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#58 in Nagoya

#3,124 in Japan

#34,244 in the World

Nagoya, JP
Nagoya, Japan

Paloma Co., Ltd.

Forward Citations = 29

18 inventors:

goldMedal Hiroshi Yamazaki (4 out of 18 patents)

silverMedal Hideki Kijimoto (3 out of 12 patents)

bronzeMedal Tsuneyasu Hayakawa (3 out of 12 patents)

4.  Atsushi Yamane (3 out of 3 patents)

5.  Koki Kanazawa (2 out of 2 patents)

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