- All sections
- B - Performing operations; transporting
- B24B - Machines, devices, or processes for grinding or polishing; dressing or conditioning of abrading surfaces; feeding of grinding, polishing, or lapping agents
- B24B 9/00 - Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
Patent holdings for IPC class B24B 9/00
Total number of patents in this class: 408
10-year publication summary
|
22
|
27
|
37
|
37
|
35
|
18
|
20
|
28
|
19
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ebara Corporation | 1951 |
33 |
| Hoya Corporation | 2822 |
18 |
| Asahi Glass Company, Limited | 2985 |
17 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
13 |
| Sumco Corporation | 1116 |
11 |
| CITIC Dicastal CO., LTD | 531 |
10 |
| Nippon Electric Glass Co., Ltd. | 2299 |
9 |
| Bando Kiko Co., Ltd. | 73 |
7 |
| Showa Denko K.K. | 2539 |
5 |
| Rattunde & Co GmbH | 46 |
5 |
| Sintokogio, Ltd. | 1148 |
5 |
| The Boeing Company | 19843 |
4 |
| ABB Schweiz AG | 6321 |
4 |
| The Furukawa Electric Co., Ltd. | 3486 |
4 |
| Shanghai Ken Tools Co., Ltd. | 7 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
4 |
| Apple Inc. | 50209 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Konica Minolta, Inc. | 8349 |
3 |
| NTN Corporation | 5008 |
3 |
| Other owners | 243 |