- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 27/20 - Cutting tools of which the bits or tips are of special material with diamond bits
Patent holdings for IPC class B23B 27/20
Total number of patents in this class: 430
10-year publication summary
|
35
|
31
|
45
|
32
|
39
|
36
|
42
|
10
|
14
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Hardmetal Corp. | 1015 |
131 |
| Sumitomo Electric Industries, Ltd. | 15391 |
96 |
| Kyocera Corporation | 13721 |
28 |
| Mitsubishi Materials Corporation | 2435 |
28 |
| Tungaloy Corporation | 503 |
18 |
| A.L.M.T. Corp. | 226 |
7 |
| 3m Innovative Properties Company | 17853 |
5 |
| OSG Corporation | 354 |
5 |
| US Synthetic Corporation | 624 |
4 |
| Element Six (UK) Limited | 211 |
4 |
| Baker Hughes Incorporated | 5279 |
3 |
| Nitto Denko Corporation | 8206 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
3 |
| Smith International, Inc. | 720 |
3 |
| Diamond Innovations, Inc. | 235 |
3 |
| ILJIN Diamond Co., Ltd. | 37 |
3 |
| Kanefusa Kabushiki Kaisha | 96 |
3 |
| Kamiya SAW & Knife Mfg. Co., Ltd. | 3 |
3 |
| National University Corporation Tokai National Higher Education and Research System | 711 |
3 |
| Schlumberger Technology Corporation | 10652 |
2 |
| Other owners | 75 |