- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 33/027 - Scoring tool holdersDriving mechanisms therefor
Patent holdings for IPC class C03B 33/027
Total number of patents in this class: 77
10-year publication summary
|
6
|
7
|
6
|
8
|
4
|
5
|
7
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsuboshi Diamond Industrial Co., Ltd. | 147 |
14 |
| Nippon Electric Glass Co., Ltd. | 2456 |
12 |
| Corning Incorporated | 10259 |
9 |
| Bando Kiko Co., Ltd. | 73 |
7 |
| Asahi Glass Company, Limited | 2786 |
3 |
| Sage Electrochromics, Inc. | 263 |
3 |
| SCHOTT AG | 1712 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
2 |
| Grenzebach Maschinenbau GmbH | 174 |
2 |
| THK Co., Ltd. | 1196 |
2 |
| Agc, Inc. | 4839 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11403 |
1 |
| Boe Technology Group Co., Ltd. | 41139 |
1 |
| Amada Company, Limited | 564 |
1 |
| Beijing BOE Display Technology Co., Ltd. | 2793 |
1 |
| Bystronic Maschinen AG | 3 |
1 |
| Central Glass Company, Limited | 1265 |
1 |
| Corning Precision Materials Co., Ltd. | 210 |
1 |
| The Fletcher-terry Company, LLC | 26 |
1 |
| Optoelectronics Technology Co., Ltd | 5 |
1 |
| Other owners | 9 |