- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 14/34 - Sputtering
Patent holdings for IPC class C23C 14/34
Total number of patents in this class: 6708
10-year publication summary
|
582
|
553
|
551
|
481
|
541
|
458
|
430
|
390
|
339
|
235
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 18861 |
507 |
| JX Nippon Mining & Metals Corporation | 1487 |
443 |
| ULVAC, Inc. | 1378 |
248 |
| Mitsubishi Materials Corporation | 2454 |
206 |
| Canon Anelva Corporation | 683 |
171 |
| Idemitsu Kosan Co., Ltd. | 4223 |
117 |
| Tokyo Electron Limited | 12877 |
114 |
| Mitsui Mining & Smelting Co., Ltd. | 1502 |
112 |
| Oerlikon Surface Solutions AG, Pfaffikon | 546 |
112 |
| Semiconductor Energy Laboratory Co., Ltd. | 11475 |
87 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43258 |
79 |
| Tosoh Corporation | 1314 |
73 |
| Sumitomo Metal Mining Co., Ltd. | 1788 |
71 |
| Nitto Denko Corporation | 8280 |
65 |
| Kobelco Research Institute, Inc. | 125 |
64 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
61 |
| Tanaka Kikinzoku Kogyo K.K. | 584 |
60 |
| View Operating Corporation | 528 |
59 |
| Sumitomo Chemical Company, Limited | 9047 |
58 |
| Honeywell International Inc. | 13550 |
54 |
| Other owners | 3947 |