- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 35/00 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
Patent holdings for IPC class C04B 35/00
Total number of patents in this class: 1178
10-year publication summary
97
|
91
|
50
|
43
|
39
|
39
|
30
|
18
|
29
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 22355 |
91 |
Idemitsu Kosan Co., Ltd. | 3995 |
52 |
JX Nippon Mining & Metals Corporation | 1576 |
39 |
NGK Insulators, Ltd. | 4589 |
38 |
TDK Corporation | 6306 |
30 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
27 |
Corning Incorporated | 9932 |
22 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
20 |
Seiko Epson Corporation | 18724 |
16 |
Sumitomo Electric Industries, Ltd. | 14131 |
14 |
Taiyo Yuden Co., Ltd. | 1809 |
14 |
Canon Inc. | 36841 |
13 |
Kyocera Corporation | 12735 |
12 |
Sumitomo Chemical Company, Limited | 8808 |
12 |
Tokyo Institute of Technology | 1367 |
12 |
General Electric Company | 18133 |
11 |
Hitachi Metals, Ltd. | 2175 |
10 |
Applied Materials, Inc. | 16587 |
10 |
NGK Spark Plug Co., Ltd. | 935 |
10 |
Kobelco Research Institute, Inc. | 115 |
10 |
Other owners | 715 |