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Hitachi Shipbuilding and Engineering Co., Ltd.

USPTO Granted Patents = 82

Forward Citations = 797

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166 inventors (with patents filed for the assignee):

Hideya Inaba (13 out of 13 patents)

Yasumi Kamino (10 out of 10 patents)

Noriyuki Oda (7 out of 7 patents)

4. Masayoshi Ichiki (6 out of 15 patents)

5. Masahiko Yamamoto (6 out of 18 patents)

6. Yukio Tomita (5 out of 15 patents)

7. Yoshinori Nishino (5 out of 11 patents)

8. Takeshi Nakanishi (5 out of 5 patents)

9. Tomiyasu Okamoto (5 out of 6 patents)

10. Tsunanori Nishimoto (5 out of 6 patents)

11. Tomomichi Kurihara (5 out of 5 patents)

12. Shigenori Onizuka (5 out of 5 patents)

13. Yasuo Kimoto (5 out of 5 patents)

14. Katsunori Tamiya (5 out of 5 patents)

15. Shoichi Honda (5 out of 5 patents)

Core Competencies:

Blast Furnace Gas Cooling

Coal Slurry Transport

Internal Combustion Engine Balancer

Composite Material Molding

Multi-Stage Combustion

Shield Tunneling Machine

Continuous Band Material Processing

Coal Ash Removal

Pressure Relief Devices

Catalyst Production

Rotary Transfer Press

Waste Gas Disposal

82 patents: Sort by Forward Citations

1. 4642127 - Method for cooling blast furnace gas in an heat recovery system (1987-02-10),

2. 4559888 - Ship for transporting coal slurry (1985-12-24),

3. 4538481 - First-order balancer of internal combustion engine (1985-09-03),

4. 4526121 - Ship for treating coal slurry (1985-07-02),

5. 4518556 - Method for molding bent pipes made up of composite material (1985-05-21),

6. 4501314 - Casting support apparatus for continuous casting equipment (1985-02-26),

7. 4496306 - Multi-stage combustion method for inhibiting formation of nitrogen oxides (1985-01-29),

8. 4483670 - Method and apparatus for molding bent pipes made up of composite material (1984-11-20),

9. 4482351 - Process for removing ash from coal (1984-11-13),

10. 4481898 - Slurry carrying ship (1984-11-13),

11. 4475609 - Device for gauging large load exerted on steel structure or the like (1984-10-09),

12. 4469572 - Method of continuously processing a band-shape material (1984-09-04),

13. 4456305 - Shield tunneling machine (1984-06-26),

14. 4456304 - Shield tunneling machine and earth removing apparatus therefor (1984-06-26),

15. 4440211 - Apparatus for hoisting roll segments in continuous casting equipment (1984-04-03),

Hitachi Shipbuilding and Engineering Co., Ltd. is a global company engaged in shipbuilding, engineering, and industrial machinery businesses. With a history dating back over a century, the company specializes in the design, construction, and repair of a wide range of vessels, including merchant ships, submarines, and offshore structures. Hitachi Shipbuilding and Engineering also offers various types of industrial machinery and equipment, contributing to industries such as energy, infrastructure, and environmental solutions. Their commitment to innovation, quality, and sustainability makes them a trusted partner for customers around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

82 Patents

#121 in Osaka

#1,251 in Japan

#9,003 in the World

Hitachi Shipbuilding and Engineering Co., Ltd.

Forward Citations = 797

166 inventors:

Hideya Inaba (13 out of 13 patents)

Yasumi Kamino (10 out of 10 patents)

Noriyuki Oda (7 out of 7 patents)

4. Masayoshi Ichiki (6 out of 15 patents)

5. Masahiko Yamamoto (6 out of 18 patents)

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