Patent holdings for IPC class B63B 25/04

Total number of patents in this class: 59

10-year publication summary

4
3
2
5
1
6
0
4
4
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsui Engineering & Shipbuilding Co., Ltd.
295
6
Mitsui O.S.K. Lines, Ltd.
59
4
Korea Institute of Ocean Science & Technology
441
3
JFE Steel Corporation
7508
2
Korea Institute of Ocean Science and Technology
30
2
MacGregor Sweden AB
25
2
Nippon Yusen Kabushiki Kaisha
170
2
Ube Machinery Corporation, Ltd.
118
2
Shibakai Co., Ltd.
23
2
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3245
2
Ube Shipping & Logistics, Ltd.
2
2
Lambhusasund ehf
33
2
Mitsubishi Heavy Industries, Ltd.
9115
1
Asahi Shipping Co., Ltd.
2
1
ELTA Systems Ltd.
323
1
IHI Corporation
3532
1
IHI Marine United Inc.
11
1
IHI Transport Machinery Co., Ltd.
66
1
Japan Marine United Corporation
72
1
Kawasaki Kisen Kaisha, Ltd.
44
1
Other owners 20