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  • C - Chemistrymetallurgy
  • C30B - Single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing of eutectoid materialrefining by zone-melting of materialproduction of a homogeneous polycrystalline material with defined structuresingle crystals or homogeneous polycrystalline material with defined structureafter-treatment of single crystals or a homogeneous polycrystalline material with defined structureapparatus therefor
  • C30B 29/36 - Carbides

Patent holdings for IPC class C30B 29/36

Total number of patents in this class: 1921

10-year publication summary

111
120
110
146
121
136
130
162
160
23
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Industries, Ltd.
15967
252
Resonac Corporation
3103
134
Denso Corporation
24983
69
Kwansei Gakuin Educational Foundation
218
63
Showa Denko K.K.
2130
58
Toyota Tsusho Corporation
182
46
Toyota Motor Corporation
33951
45
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12605
45
Nippon Steel & Sumitomo Metal Corporation
1985
43
SiCrystal GmbH
45
38
Mitsubishi Electric Corporation
47352
35
Shin-Etsu Chemical Co., Ltd.
5861
31
Zadient Technologies SAS
37
29
Toyo Tanso Co., Ltd.
218
28
Sicc Co.,Ltd
48
28
Shin-Etsu Handotai Co., Ltd.
1290
27
Globalwafers Co., Ltd.
714
26
ein Crystal Co., Ltd.
28
23
LG Innotek Co., Ltd.
8037
21
NGK Insulators, Ltd.
5205
21
Other owners 859

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