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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: 1848

10-year publication summary

132
111
120
110
146
124
139
130
161
119
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Industries, Ltd.
15495
252
Resonac Corporation
2815
130
Denso Corporation
24316
64
Kwansei Gakuin Educational Foundation
218
62
Showa Denko K.K.
2226
58
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION)
12797
46
Toyota Tsusho Corporation
183
45
Nippon Steel & Sumitomo Metal Corporation
1988
43
Toyota Motor Corporation
32231
42
Senic Inc.
47
38
Mitsubishi Electric Corporation
46127
34
SiCrystal GmbH
40
34
Shin-Etsu Chemical Co., Ltd.
5662
30
Toyo Tanso Co., Ltd.
222
28
Sicc Co.,Ltd
46
27
Shin-Etsu Handotai Co., Ltd.
1284
26
Globalwafers Co., Ltd.
640
24
Zadient Technologies SAS
32
24
LG Innotek Co., Ltd.
7653
21
Central Research Institute of Electric Power Industry
102
19
Other owners 801

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