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For the Inventor, By the Inventor

Tokyo, Japan

Ihi Aerospace Co., Ltd.

Calculating rank
USPTO Granted Patents = 50

% Expired Patents = 30.0



Trademarks = 2

Forward Citations = 196

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92 inventors (with patents filed for the assignee):

goldMedal Hitoshi Oyori (10 out of 15 patents)

silverMedal Takashi Harada (9 out of 51 patents)

bronzeMedal Yu Shigenari (8 out of 8 patents)

4.  Ikuo Okumura (6 out of 7 patents)

5.  Tsutomu Murakami (4 out of 18 patents)

6.  Hiroaki Asahi (4 out of 4 patents)

7.  Kazunori Kawasaki (4 out of 7 patents)

8.  Toyoharu Akimoto (4 out of 4 patents)

9.  Michimasa Uda (3 out of 3 patents)

10.  Haruhiko Soeda (3 out of 3 patents)

11.  Agamu Tanaka (3 out of 8 patents)

12.  Ichiro Yamaguchi (3 out of 6 patents)

13.  Shinichi Morita (3 out of 6 patents)

14.  Noriko Morioka (2 out of 7 patents)

15.  Junichi Amimoto (2 out of 2 patents)


Core Competencies:
Electric Actuator
Ceramic Matrix Composite
Emergency Deorbit Device
Spacecraft
Heat Exchanger
Fluid Supply Device
Gas Turbine Engine
Infrared Detecting Device
Propellant Tank
Molding System
Fan Case
Rocket Motor

50 patents:

1. 12683529 - Power controller for linear actuator in docking device (2026-07-14),
2. 12623973 - Ceramic matrix composite and method for manufacturing same (2026-05-12),
3. 12600678 - Method for charging open pores in ceramic matrix composite, and ceramic matrix composite (2026-04-14),
4. 12427732 - Prepreg continuous production device and method therefor (2025-09-30),
5. 12377950 - Joint structure and assembly method for same (2025-08-05),
6. 12172390 - FRP molding system and method (2024-12-24),
7. 12109767 - FRP continuous molding apparatus and FRP continuous molding method (2024-10-08),
8. 11845575 - Docking device (2023-12-19),
9. 11826976 - FRP molding system and method (2023-11-28),
10. 11807401 - Emergency deorbit device and emergency deorbit method (2023-11-07),
11. 11383326 - Heat exchanger and method for manufacturing same (2022-07-12),
12. 11148978 - Method for producing silicon-carbide-based composite (2021-10-19),
13. 10829249 - Satellite constellation forming method and forming device (2020-11-10),
14. 10651563 - Corner reflector and method for fabricating same (2020-05-12),
15. 10294961 - Cylindrical case (2019-05-21),
Company Overview
Ihi Aerospace Co., Ltd., based in Tokyo, Japan, specializes in advanced aerospace engineering solutions. The company focuses on the development and manufacturing of innovative technologies such as electric actuators, ceramic matrix composites, and emergency deorbit devices. Ihi Aerospace is also involved in the design of spacecraft, heat exchangers, fluid supply devices, gas turbine engines, and infrared detecting devices, contributing significantly to the aerospace sector's evolution and efficiency.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Ihi Aerospace Co., Ltd. USPTO Patent Assignee Logo
50 Patents

#798 in Tokyo

#1,711 in Japan

#14,028 in the World

Tokyo, JP
Tokyo, Japan

Ihi Aerospace Co., Ltd.

Forward Citations = 196

92 inventors:

goldMedal Hitoshi Oyori (10 out of 15 patents)

silverMedal Takashi Harada (9 out of 51 patents)

bronzeMedal Yu Shigenari (8 out of 8 patents)

4.  Ikuo Okumura (6 out of 7 patents)

5.  Tsutomu Murakami (4 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ihi Aerospace Co., Ltd.. Retrieved from https://idiyas.com/company/ihi-aerospace-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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