Patent holdings for IPC class B63B 25/08

Total number of patents in this class: 273

10-year publication summary

16
18
18
21
15
23
29
26
24
15
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Shipbuilding Co., Ltd.
171
29
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3075
16
Samsung Heavy Ind. Co., Ltd.
238
15
Seaone Holdings, LLC
26
10
Mitsubishi Heavy Industries, Ltd.
8803
9
Hanwha Ocean Co., Ltd.
126
8
Lone Gull Holdings, Ltd.
134
7
Resolve Marine Group, Inc.
19
6
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
231
5
ExxonMobil Upstream Research Company
2390
5
Gaztransport et Technigaz
589
5
Jiangnan Shipyard (Group) Co., Ltd.
10
5
Hyundai Heavy Industries Co., Ltd.
274
4
Mitsui Engineering & Shipbuilding Co., Ltd.
318
4
Mitsui E&S Shipbuilding Co., Ltd.
44
4
Tritec Marine Ltd.
9
4
GVA Consultants AB
41
3
Japan Marine United Corporation
72
3
JNC Corporation
1568
3
Sevan Marine ASA
17
3
Other owners 125