- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating 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: 6429
10-year publication summary
566
|
588
|
558
|
555
|
483
|
541
|
458
|
421
|
383
|
116
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
478 |
JX Nippon Mining & Metals Corporation | 1576 |
465 |
ULVAC, Inc. | 1448 |
243 |
Mitsubishi Materials Corporation | 2378 |
210 |
Canon Anelva Corporation | 676 |
172 |
Idemitsu Kosan Co., Ltd. | 3995 |
117 |
Tokyo Electron Limited | 11599 |
112 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
111 |
Oerlikon Surface Solutions AG, Pfaffikon | 556 |
111 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
81 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
70 |
Nitto Denko Corporation | 7879 |
66 |
Tosoh Corporation | 1127 |
65 |
View, Inc. | 792 |
63 |
Tanaka Kikinzoku Kogyo K.K. | 589 |
62 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
61 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
59 |
Kobelco Research Institute, Inc. | 115 |
58 |
Sumitomo Chemical Company, Limited | 8808 |
57 |
Honeywell International Inc. | 13799 |
51 |
Other owners | 3717 |