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Mitsui Shipbuilding & Engineering Co., Ltd.

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USPTO Granted Patents = 27

Forward Citations = 222

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54 inventors (with patents filed for the assignee):

Noriaki Nakase (2 out of 4 patents)

Hiroshi Hakozaki (2 out of 2 patents)

Shojiro Sugimura (2 out of 2 patents)

4. Takeshi Kubota (2 out of 3 patents)

5. Akira Ono (1 out of 53 patents)

6. Akira Watanabe (1 out of 26 patents)

7. Etsuji Yamamoto (1 out of 2 patents)

8. Daijiro Hosogai (1 out of 3 patents)

9. Kazushi Tsurutani (1 out of 3 patents)

10. Kakuro Kokubo (1 out of 4 patents)

11. Yusai Yamahata (1 out of 2 patents)

12. Touru Yasunobe (1 out of 1 patent)

13. Moritugu Miyazaki (1 out of 1 patent)

14. Hiroharu Nishiguchi (1 out of 1 patent)

15. Takamura Takigawa (1 out of 2 patents)

Core Competencies:

Two-Cycle Engine

Waste Water Treatment

Nitric Oxide Removal

Gasification Catalyst

Coating Apparatus

Hull Module Assembly

Heat Transfer Tubes

Radar Signal Patterns

Crane Overload Detector

Container Handling

Floating Body Correction

Combustion Method

27 patents: Sort by Forward Citations

1. 5094196 - System for operating two-cycle spark ignition engine (1992-03-10),

2. 4161447 - Process for treating waste water containing radioactive substances (1979-07-17),

3. 4158044 - Method for removing nitric oxide from industrial gases (1979-06-12),

4. 4034993 - Sealing apparatus (1977-07-12),

5. 4025460 - Catalyst for gasification of heavy hydrocarbons in fluidized bed (1977-05-24),

6. 4014290 - Coating apparatus for bottles (1977-03-29),

7. 4003326 - Apparatus for assembling hull modules for shipbuilding (1977-01-18),

8. 4002149 - Arrangement of heat transfer tubes in a heating furnace (1977-01-11),

9. 3990014 - Pulse control circuit having manually variable output period between (1976-11-02),

10. 3982634 - Method and apparatus for erecting a vertical structure (1976-09-28),

11. 3978480 - Method of identifying the patterns of radar signals (1976-08-31),

12. 3971563 - Shaft sealing apparatus using a fluid sealing system (1976-07-27),

13. 3971008 - Crane overload detector using a boom bending moment detector (1976-07-20),

14. 3964881 - Process for gasification of heavy hydrocarbons (1976-06-22),

15. 3960101 - Ships for transporting iron ore pellets (1976-06-01),

Company Overview

Mitsui Shipbuilding & Engineering Co., Ltd. is a prominent player in the maritime industry, specializing in the design and construction of various types of vessels, including commercial ships and specialized marine structures. The company is also engaged in advanced engineering solutions, focusing on enhancing shipbuilding technologies and promoting sustainable practices within the maritime sector. With its headquarters in Tokyo, Mitsui Shipbuilding & Engineering plays a significant role in the global shipping industry, contributing to innovations in marine engineering and environmental stewardship.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

27 Patents

#1,138 in Tokyo

#2,459 in Japan

#24,046 in the World

Mitsui Shipbuilding & Engineering Co., Ltd.

Forward Citations = 222

54 inventors:

Noriaki Nakase (2 out of 4 patents)

Hiroshi Hakozaki (2 out of 2 patents)

Shojiro Sugimura (2 out of 2 patents)

4. Takeshi Kubota (2 out of 3 patents)

5. Akira Ono (1 out of 53 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsui Shipbuilding & Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/mitsui-shipbuilding-and-engineering-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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