Patent holdings for IPC class B63B 25/08

Total number of patents in this class: 284

10-year publication summary

18
18
21
15
23
29
26
24
20
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Shipbuilding Co., Ltd.
178
30
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3144
18
Samsung Heavy Ind. Co., Ltd.
241
15
Mitsubishi Heavy Industries, Ltd.
8962
11
Seaone Holdings, LLC
24
9
Hanwha Ocean Co., Ltd.
133
8
Lone Gull Holdings, Ltd.
144
7
Resolve Marine Group, Inc.
23
6
Jiangnan Shipyard (Group) Co., Ltd.
13
6
Daewoo Shipbuilding & Marine Engineering Co., Ltd.
231
5
ExxonMobil Upstream Research Company
2359
5
Gaztransport et Technigaz
607
5
Hyundai Heavy Industries Co., Ltd.
274
4
Japan Marine United Corporation
73
4
Mitsui Engineering & Shipbuilding Co., Ltd.
311
4
Mitsui E&S Shipbuilding Co., Ltd.
44
4
Tritec Marine Ltd.
9
4
GVA Consultants AB
40
3
JNC Corporation
1516
3
Sevan Marine ASA
17
3
Other owners 130