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Ishikawajima-harima Jukogyo Kabushiki Kaisha

USPTO Granted Patents = 306

Trademarks = 2

Forward Citations = 3,104

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588 inventors (with patents filed for the assignee):

Yutaka Tsuchida (15 out of 16 patents)

Hisahiko Fukase (11 out of 37 patents)

Kunio Matsui (9 out of 16 patents)

4. Shuzo Takahashi (9 out of 11 patents)

5. Nobuhisa Hasebe (9 out of 14 patents)

6. Isao Imai (9 out of 12 patents)

7. Shiro Osada (8 out of 22 patents)

8. Masami Shimizu (8 out of 9 patents)

9. Osamu Takeuchi (8 out of 9 patents)

10. Hiroyuki Shiozaki (8 out of 8 patents)

11. Akihiro Nomura (7 out of 33 patents)

12. Minoru Asai (7 out of 7 patents)

13. Hisashi Sato (6 out of 8 patents)

14. Kiyoshi Aoki (6 out of 6 patents)

15. Kanji Kato (6 out of 6 patents)

Core Competencies:

Nonmetallic Honeycomb Panel

Ion Mass Separation

Metal-Flake Manufacturing

Container Management

Continuous Sintering Furnace

Oxide Superconductors

Electric Arc Melting Furnace

Cooling Tower Technology

Squeeze Film Damper Bearing

Hydraulic Drive Control

Marine Floating Structures

Refractory Elements

306 patents: Sort by Forward Citations

1. 7084181 - Method for decomposing nonmetallic honeycomb panel, and method for recycling the same (2006-08-01),

2. 6900434 - Method and device for separating ion mass, and ion doping device (2005-05-31),

3. 6713017 - Metal-flake manufacturing apparatus (2004-03-30),

4. 6665585 - Method and apparatus for container management (2003-12-16),

5. 6631816 - Hoist (2003-10-14),

6. 6598916 - Spreader for container crane (2003-07-29),

7. 6588814 - Spreader for container crane (2003-07-08),

8. 6530780 - Continuous sintering furnace and use thereof (2003-03-11),

9. 6508371 - Jib crane (2003-01-21),

10. 6502879 - Spreader for container crane (2003-01-07),

11. 6487982 - Anti-rolling structure for box-type floating body (2002-12-03),

12. 6447241 - Method and apparatus for expanding operating range of centrifugal compressor (2002-09-10),

13. 6287465 - Ozone deodorizer (2001-09-11),

14. 6170632 - Moving walk (2001-01-09),

15. 6065319 - Rolling mill with laterally different velocities (2000-05-23),

Ishikawajima-Harima Jukogyo Kabushiki Kaisha (IHI) is a Japanese engineering and manufacturing company. It provides a wide range of products and services in the fields of energy, aerospace, industrial machinery, and more. With a history dating back to 1853, IHI has established a strong reputation for its innovative and reliable solutions. Throughout the years, the company has expanded its operations globally, contributing to various industries and sectors. For more information about IHI and its diverse portfolio, please visit their official website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

306 Patents

#243 in Tokyo

#518 in Japan

#2,829 in the World

Ishikawajima-harima Jukogyo Kabushiki Kaisha

Forward Citations = 3,104

588 inventors:

Yutaka Tsuchida (15 out of 16 patents)

Hisahiko Fukase (11 out of 37 patents)

Kunio Matsui (9 out of 16 patents)

4. Shuzo Takahashi (9 out of 11 patents)

5. Nobuhisa Hasebe (9 out of 14 patents)

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