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For the Inventor, By the Inventor

Tokyo, Japan

Mitsui Engineering and Shipbuilding Company Limited

Calculating rank
USPTO Granted Patents = 244

% Expired Patents = 36.1



Forward Citations = 1,883

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484 inventors (with patents filed for the assignee):

goldMedal Shigeyuki Nakada (11 out of 12 patents)

silverMedal Toru Iwasaki (11 out of 11 patents)

bronzeMedal Masahiro Saito (9 out of 86 patents)

4.  Naoki Uchida (9 out of 10 patents)

5.  Noriaki Kimura (9 out of 10 patents)

6.  Shuji Ueki (9 out of 9 patents)

7.  Masahiro Takahashi (8 out of 10 patents)

8.  Shigeru Nagamori (8 out of 8 patents)

9.  Makoto Ebata (8 out of 8 patents)

10.  Masanao Oshima (8 out of 8 patents)

11.  Kazuteru Hoshishima (7 out of 8 patents)

12.  Takashi Arai (7 out of 8 patents)

13.  Kazuyoshi Matsuo (7 out of 8 patents)

14.  Hironori Hayashi (7 out of 7 patents)

15.  Nobuyoshi Yashima (7 out of 7 patents)


Core Competencies:
Gas Hydrate
Crane Control
Induction Heating
Container Terminal
Biomass Alcohol
Plasma Processing
Fluorescence Detection
Power Supply System
Ballast Water Treatment
Atomic Layer Deposition
Wave Power Generation
Silicon Carbide

244 patents:

1. 10167177 - Crane, and crane control method (2019-01-01),
2. 10151272 - Fuel supply device and fuel supply method (2018-12-11),
3. 10033187 - Emergency power supply method for container terminal and container terminal (2018-07-24),
4. 10012195 - Fuel supply device and fuel supply method (2018-07-03),
5. 9975739 - Container yard and feeding method (2018-05-22),
6. 9874180 - Powering apparatus (2018-01-23),
7. 9862557 - Container terminal and control method therefor (2018-01-09),
8. 9802794 - Crane apparatus, container yard, and feeding method (2017-10-31),
9. 9758355 - Brake device and crane with brake device (2017-09-12),
10. 9746555 - Planar antenna and radar apparatus (2017-08-29),
11. 9745174 - Method for controlling port loading and unloading apparatus and port loading and unloading apparatus (2017-08-29),
12. 9674898 - Induction heating apparatus and induction heating method (2017-06-06),
13. 9591696 - Induction heating method (2017-03-07),
14. 9588524 - Vibration control device and control method therefor (2017-03-07),
15. 9533277 - Device for producing gas hydrate (2017-01-03),
Company Overview
Mitsui Engineering and Shipbuilding Company Limited, headquartered in Tokyo, specializes in the development and production of advanced technologies in various fields, including gas hydrate production. The company focuses on innovative solutions such as crane control systems, induction heating technologies, and biomass alcohol production. Additionally, it engages in plasma processing and fluorescence detection, contributing to the enhancement of power supply systems. Mitsui Engineering and Shipbuilding plays a significant role in advancing industrial technology and sustainable energy solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Mitsui Engineering and Shipbuilding Company Limited USPTO Patent Assignee Logo
244 Patents

#312 in Tokyo

#620 in Japan

#3,558 in the World

Tokyo, JP
Tokyo, Japan

Mitsui Engineering and Shipbuilding Company Limited

Forward Citations = 1,883

484 inventors:

goldMedal Shigeyuki Nakada (11 out of 12 patents)

silverMedal Toru Iwasaki (11 out of 11 patents)

bronzeMedal Masahiro Saito (9 out of 86 patents)

4.  Naoki Uchida (9 out of 10 patents)

5.  Noriaki Kimura (9 out of 10 patents)

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