% Expired Patents = 85.7

Forward Citations = 3

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23 inventors (with patents filed for the assignee):

Hiroaki Harada (1 out of 4 patents)

Yasunari Mori (1 out of 7 patents)

Naomasa Miyatake (1 out of 5 patents)

4. Makoto Kounosu (1 out of 5 patents)

5. Renzo Kanda (1 out of 4 patents)

6. Kyouji Doi (1 out of 6 patents)

7. Yumi Asano (1 out of 2 patents)

8. Kazuki Tanizawa (1 out of 1 patent)

9. Shinji Hiejima (1 out of 1 patent)

10. Kenichi Hayashi (1 out of 1 patent)

11. Shigeyuki Nakada (1 out of 12 patents)

12. Yusuke Ohba (1 out of 1 patent)

13. Hiroyuki Tachibana (1 out of 4 patents)

14. Kazutoshi Murata (1 out of 7 patents)

15. Kazuteru Hoshishima (1 out of 8 patents)

7 patents: Sort by Forward Citations

1. 9719500 - Cryogennic liquefied gas intake/discharge valve body, reciprocating pump, and fuel gas supply device (2017-08-01),

2. 9376754 - Thin film forming method (2016-06-28),

3. 9347332 - Dynamo with columnar oscillator (2016-05-24),

4. 9291563 - FRET measurement device and FRET measurement method (2016-03-22),

5. 9194043 - Atomic layer deposition apparatus (2015-11-24),

6. 9182422 - Fluid body flow visualization device and visualization method (2015-11-10),

7. 6949226 - Sodium-based dechlorinating agent and waste treatment equipment (2005-09-27),

Company Overview

Mitsui Engineering & Shipbuilding is a world-renowned company specializing in the design, construction, and maintenance of various types of ships and marine structures. With a history spanning over a century, the company has established itself as a leader in the shipbuilding industry, providing innovative solutions to meet the evolving needs of its global clientele.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#2,288 in Tokyo

#5,459 in Japan

Tokyo, Japan

Mitsui Engineering & Shipbuilding

Forward Citations = 3

23 inventors:

Hiroaki Harada (1 out of 4 patents)

Yasunari Mori (1 out of 7 patents)

Naomasa Miyatake (1 out of 5 patents)

4. Makoto Kounosu (1 out of 5 patents)

5. Renzo Kanda (1 out of 4 patents)

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

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]