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For the Inventor, By the Inventor

Tokyo, Japan

Jgc Corporation


USPTO Granted Patents = 165

% Expired Patents = 16.4



Trademarks = 5

Forward Citations = 1,269

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402 inventors (with patents filed for the assignee):

goldMedal Hiroshi Umino (9 out of 11 patents)

silverMedal Makoto Inomata (9 out of 11 patents)

bronzeMedal Kenji Mori (8 out of 72 patents)

4.  Hiroaki Hasegawa (7 out of 19 patents)

5.  Takeshi Koyama (7 out of 77 patents)

6.  Nobuhiro Yamada (7 out of 7 patents)

7.  Yasushi Fujimura (6 out of 62 patents)

8.  Tsuyoshi Okada (6 out of 23 patents)

9.  Takahiro Iijima (5 out of 34 patents)

10.  Syuichi Oguro (5 out of 5 patents)

11.  Yoshiyuki Watanabe (5 out of 71 patents)

12.  Kazunori Suzuki (5 out of 24 patents)

13.  Yuzuru Kakutani (5 out of 5 patents)

14.  Hiromitsu Shibuya (5 out of 5 patents)

15.  Naohiko Kagawa (5 out of 6 patents)


Core Competencies:
Natural Gas Processing
Ammonia Production
Gas Liquefaction
Plant Construction
Fluid Separation
Gas Separation
Energy Supply
Synthesis Gas Production
Carbon Dioxide Recovery
Crystallization Apparatus
Hydrocarbon Gas Treatment
Biomass Upgrading

165 patents:

1. 12742590 - Liquefied hydrogen production device (2026-09-22),
2. 12626031 - Clustering method (2026-05-12),
3. 12573825 - Equipment module and plant (2026-03-10),
4. 12516486 - Method of constructing foundation for structure body (2026-01-06),
5. 12357856 - Treatment plant and method for designing treatment plant (2025-07-15),
6. 12320145 - Plant construction method (2025-06-03),
7. 12312799 - Module for separate conveyance, structure for plant, and method of constructing structure for plant (2025-05-27),
8. 12209225 - Natural gas pretreatment system and method for pretreating natural gas (2025-01-28),
9. 12205180 - Plant control method, plant control device, program, and plant (2025-01-21),
10. 12158747 - Method of arranging equipment in plant and method of manufacturing plant (2024-12-03),
11. 12152479 - Operation analysis method for production plant (2024-11-26),
12. 12105033 - Inspection system, determination processing apparatus, and inspection method (2024-10-01),
13. 12092395 - Operation analysis method for natural gas plant (2024-09-17),
14. 12064723 - Method for operating adsorption device (2024-08-20),
15. 12061044 - Natural gas liquefying apparatus (2024-08-13),
JGC Corporation, headquartered in Tokyo, specializes in plant engineering with a strong focus on natural gas processing and ammonia production. The company is recognized for its expertise in gas liquefaction, fluid separation, and gas separation technologies, which are essential for energy supply and synthesis gas production. With a commitment to innovation, JGC plays a pivotal role in the development and construction of complex industrial plants, contributing significantly to the energy sector and sustainable practices in Japan and beyond.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Jgc Corporation
165 Patents

#404 in Tokyo

#803 in Japan

#5,000 in the World

Tokyo, JP
Tokyo, Japan

Jgc Corporation

Forward Citations = 1,269

402 inventors:

goldMedal Hiroshi Umino (9 out of 11 patents)

silverMedal Makoto Inomata (9 out of 11 patents)

bronzeMedal Kenji Mori (8 out of 72 patents)

4.  Hiroaki Hasegawa (7 out of 19 patents)

5.  Takeshi Koyama (7 out of 77 patents)

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