Patent holdings for IPC class B23C 3/00

Total number of patents in this class: 441

10-year publication summary

31
40
57
36
34
24
30
19
27
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8725
8
Nitto Denko Corporation
8241
8
Kyocera Corporation
13831
8
Kanefusa Kabushiki Kaisha
95
7
Serenity Data Security, LLC
11
7
Prosomnus Sleep Technologies Inc.
48
6
Rtx Corporation
9385
6
The Boeing Company
20053
5
Dalian University of Technology
1520
5
Greenleaf Technology Corporation
44
5
HJR Equipment Rental, Inc.
17
5
Makino Milling Machine Co., Ltd.
415
5
Blackhawk Manufacturing Group Inc.
29
5
Harsco Technologies LLC
147
4
Joint Production Technology, Inc.
7
4
OPEN MIND Technologies AG
28
4
Schweerbau International GmbH & Co. KG
16
4
Sumitomo Chemical Company, Limited
9047
3
Konica Minolta Opto, Inc.
1078
3
Kennametal Inc.
1386
3
Other owners 336