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For the Inventor, By the Inventor

Tokyo, Japan

Ihi Corporation


USPTO Granted Patents = 1,191

% Expired Patents = 13.4



Trademarks = 12

Forward Citations = 2,095

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1,247 inventors (with patents filed for the assignee):

goldMedal Motonao Niizuma (52 out of 53 patents)

silverMedal Naomichi Omori (34 out of 34 patents)

bronzeMedal Yutaka Uneura (29 out of 29 patents)

4.  Kazuhiko Katsumata (29 out of 31 patents)

5.  Kenji Nishimura (27 out of 29 patents)

6.  Susumu Tokura (25 out of 25 patents)

7.  Toshiyuki Suda (25 out of 26 patents)

8.  Jun Araki (23 out of 35 patents)

9.  Ryota Sakisaka (22 out of 24 patents)

10.  Yuji Sasaki (21 out of 64 patents)

11.  Haruki Eguchi (21 out of 30 patents)

12.  Toshiro Fujimori (20 out of 25 patents)

13.  Shintaro Ito (19 out of 58 patents)

14.  Soichiro Kato (18 out of 19 patents)

15.  Hiroyuki Kamata (18 out of 46 patents)


Core Competencies:
Gas Turbine
Turbocharger
Centrifugal Compressor
Combustion System
Power Management
Electric Motor
Hybrid Power Source
Anomaly Detection

1,191 patents:

1. 12736293 - Heat exchange structure comprising insertable alternating fin structure (2026-09-15),
2. 12729721 - Object holding structure (2026-09-08),
3. 12728767 - Vehicle power supply system (2026-09-08),
4. 12723291 - Method for recovering metal from metal element-containing substance (2026-09-01),
5. 12715316 - Coil device, power supply device, and detection device (2026-08-25),
6. 12706497 - Electrical rotating device with segmented partition wall (2026-08-11),
7. 12693645 - Operation assistance device and program for calculating constraint conditions imposed on an energy supply facility (2026-07-28),
8. 12680692 - Combustion device and boiler (2026-07-14),
9. 12680555 - Centrifugal compressor (2026-07-14),
10. 12663552 - Method of processing seismic data acquired by reflection seismic survey (2026-06-23),
11. 12658702 - Energy prediction device, energy prediction method, and energy prediction program (2026-06-16),
12. 12644597 - Combustion device and boiler (2026-06-02),
13. 12625128 - System for evaluating distribution of fiber bundles in fiber reinforced material (2026-05-12),
14. 12623187 - Exhaust gas treatment facility (2026-05-12),
15. 12618523 - Liquid tank, rocket, and method of manufacturing liquid tank (2026-05-05),
IHI Corporation is a global provider of comprehensive industrial solutions. With over a century of experience, the company operates in various sectors including aerospace, power systems, industrial machinery, social infrastructure, and more. IHI Corporation strives to contribute to the development of a sustainable society through innovative technologies and engineering expertise.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

Ihi Corporation
1,191 Patents

#101 in Tokyo

#196 in Japan

#863 in the World

Tokyo, JP
Tokyo, Japan

Ihi Corporation

Forward Citations = 2,095

1,247 inventors:

goldMedal Motonao Niizuma (52 out of 53 patents)

silverMedal Naomichi Omori (34 out of 34 patents)

bronzeMedal Yutaka Uneura (29 out of 29 patents)

4.  Kazuhiko Katsumata (29 out of 31 patents)

5.  Kenji Nishimura (27 out of 29 patents)

Please report any incorrect information to [email protected]
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