- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 483
10-year publication summary
|
38
|
37
|
36
|
32
|
32
|
33
|
46
|
42
|
50
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 11599 |
37 |
| Screen Holdings Co., Ltd. | 2431 |
23 |
| Applied Materials, Inc. | 16587 |
15 |
| ASM IP Holding B.V. | 1715 |
13 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
12 |
| Kokusai Electric Corporation | 1791 |
12 |
| Semes Co., Ltd. | 1119 |
11 |
| Corning Incorporated | 9932 |
9 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
9 |
| IHI Corporation | 3268 |
8 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
8 |
| Illinois Tool Works Inc. | 11152 |
7 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 246 |
6 |
| NGK Insulators, Ltd. | 4589 |
4 |
| Kobe Steel, Ltd. | 912 |
4 |
| Korea Hydro & Nuclear Power Co., Ltd. | 383 |
4 |
| Kyushu Nissho Co., Ltd. | 8 |
4 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Shimadzu Corporation | 5791 |
3 |
| Ebner Industrieofenbau GmbH | 132 |
3 |
| Other owners | 288 |