- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 17/00 - Furnaces of a kind not covered by any of groups
Patent holdings for IPC class F27B 17/00
Total number of patents in this class: 541
10-year publication summary
|
37
|
35
|
31
|
30
|
32
|
46
|
43
|
51
|
43
|
31
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 12762 |
37 |
| Applied Materials, Inc. | 18746 |
25 |
| Screen Holdings Co., Ltd. | 2834 |
22 |
| ASM IP Holding B.V. | 2083 |
16 |
| Kokusai Electric Corporation | 2023 |
16 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42945 |
15 |
| Semes Co., Ltd. | 1511 |
12 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 283 |
11 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2869 |
10 |
| Corning Incorporated | 10275 |
9 |
| Illinois Tool Works Inc. | 11478 |
8 |
| IHI Corporation | 3450 |
7 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
7 |
| Shimadzu Corporation | 6179 |
5 |
| NGK Insulators, Ltd. | 4968 |
4 |
| Ebner Industrieofenbau GmbH | 141 |
4 |
| Kobe Steel, Ltd. | 876 |
4 |
| Korea Hydro & Nuclear Power Co., Ltd. | 464 |
4 |
| Mattson Technology, Inc. | 232 |
4 |
| Research Institute of Industrial Science & Technology | 502 |
4 |
| Other owners | 317 |