Tokyo, Japan

Mitsui Engineering and Shipbuilding Company Limited

Calculating rank
USPTO Granted Patents = 244

% Expired Patents = 36.1



Forward Citations = 1,883

Loading Chart...
Loading Chart...

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:

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.

logo

Company Badge

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
Forward Citations = 1,883

484 inventors:

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]
Loading…