- All sections
- B - Performing operationstransporting
- B23B - Turningboring
- B23B 3/30 - Turning-machines with two or more working-spindles, e.g. in fixed arrangement
Patent holdings for IPC class B23B 3/30
Total number of patents in this class: 140
10-year publication summary
|
9
|
6
|
9
|
10
|
11
|
11
|
11
|
14
|
5
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| citizen Machinery Co., Ltd. | 194 |
19 |
| citizen Watch Co., Ltd. | 1075 |
18 |
| Fuji Corporation | 3327 |
14 |
| Nike, Inc. | 14055 |
9 |
| Gildemeister Italiana S.p.A. | 21 |
7 |
| Star Micronics Co., Ltd. | 274 |
6 |
| Murata Machinery, Ltd. | 1487 |
5 |
| citizen Holdings Co., Ltd. | 310 |
3 |
| citizen Machinery Miyano Co., Ltd. | 27 |
3 |
| DMG MORI Co., Ltd. | 855 |
3 |
| The Procter & Gamble Company | 22050 |
2 |
| Brinkman Products, Inc. | 29 |
2 |
| eMag Holding GmbH | 20 |
2 |
| Index-Werke GmbH & Co. KG Hahn & Tessky | 79 |
2 |
| Nakamura-Tome Precision Industry Co., Ltd. | 29 |
2 |
| Apple Inc. | 54527 |
1 |
| 3m Innovative Properties Company | 17855 |
1 |
| Honda Motor Co., Ltd. | 25157 |
1 |
| International Business Machines Corporation | 61123 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4042 |
1 |
| Other owners | 38 |