logo

For the Inventor, By the Inventor

Kanagawa, Japan

Kelk Ltd.


USPTO Granted Patents = 72

% Expired Patents = 11.1


Trademarks = 2

Forward Citations = 473

Loading Chart...
Loading Chart...

59 inventors (with patents filed for the assignee):

goldMedal Tomonori Murata (11 out of 11 patents)

silverMedal Kazuhiro Mimura (11 out of 17 patents)

bronzeMedal Daisuke Goto (8 out of 60 patents)

4.  Hirokuni Hachiuma (7 out of 7 patents)

5.  Masakazu Oba (6 out of 6 patents)

6.  Hideaki Ohkubo (6 out of 8 patents)

7.  Atsushi Kobayashi (6 out of 198 patents)

8.  Shinichi Fujimoto (6 out of 7 patents)

9.  Toshihiko Kishizawa (6 out of 6 patents)

10.  Kazuya Makino (5 out of 5 patents)

11.  Hiroyuki Matsunami (5 out of 5 patents)

12.  Wataru Kiyosawa (5 out of 6 patents)

13.  Masato Horikoshi (4 out of 4 patents)

14.  Atsushi Kobayashi (4 out of 6 patents)

15.  Yonghoon Lee (3 out of 3 patents)


Core Competencies:
Thermoelectric Module
Temperature Control
Fluid Heating Device
Electrode Connection
Semiconductor Wafer
Temperature Regulation
Thermoelectric Generator
Residual Charge Removal
Detection Device
Analysis System
Vibration Analysis
Peltier Module

72 patents:

1. 12568761 - Thermoelectric power generation device (2026-03-03),
2. 12444631 - Substrate support device (2025-10-14),
3. 12444626 - Temperature control device for semiconductor wafer and temperature control method for semiconductor wafer (2025-10-14),
4. 12413034 - Electrode connection structure and detection device (2025-09-09),
5. 12402533 - Residual charge removal device (2025-08-26),
6. 12308876 - Wireless terminal and wireless system (2025-05-20),
7. 12295265 - Thermoelectric module and method for manufacturing thermoelectric module post (2025-05-06),
8. 12271157 - Temperature control system with circulating fluid (2025-04-08),
9. 12259162 - Processing liquid temperature control apparatus (2025-03-25),
10. 12253422 - State estimation system (2025-03-18),
11. 12225820 - Thermoelectric generation device (2025-02-11),
12. 12185629 - Thermoelectric module and method for manufacturing thermoelectric module (2024-12-31),
13. 12183552 - Substrate processing apparatus (2024-12-31),
14. 12144256 - Thermoelectric power generation device (2024-11-12),
15. 12131940 - Temperature control device (2024-10-29),
Kelk Ltd., based in Kanagawa, Japan, specializes in thermoelectric power generation technologies. The company focuses on the development and manufacturing of thermoelectric modules, which are essential for efficient temperature control and fluid heating applications. Kelk Ltd. is recognized for its innovations in semiconductor wafers and thermoelectric generators, contributing to advancements in temperature regulation and residual charge removal. Their expertise positions them as a key player in the thermoelectric technology sector.
Profile summary based on public USPTO records.

logo

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Kelk Ltd.
72 Patents

#50 in Kanagawa

#1,390 in Japan

#10,377 in the World

Kanagawa, JP
Kanagawa, Japan

Kelk Ltd.

Forward Citations = 473

59 inventors:

goldMedal Tomonori Murata (11 out of 11 patents)

silverMedal Kazuhiro Mimura (11 out of 17 patents)

bronzeMedal Daisuke Goto (8 out of 60 patents)

4.  Hirokuni Hachiuma (7 out of 7 patents)

5.  Masakazu Oba (6 out of 6 patents)

Please report any incorrect information to [email protected]
Loading…