Patent holdings for IPC class C30B 19/02

Total number of patents in this class: 153

10-year publication summary

21
16
16
11
4
4
9
9
5
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
NGK Insulators, Ltd.
4941
55
Osaka University
3374
13
Panasonic Corporation
20136
7
Toyoda Gosei Co., Ltd.
1772
7
Toyota Motor Corporation
31819
6
Sumitomo Electric Industries, Ltd.
15428
6
Mitsubishi Gas Chemical Company, Inc.
3460
5
ITOCHU Plastics Inc.
12
4
Tohoku University
2775
4
Centre National de La Recherche Scientifique
10414
3
Sumitomo Chemical Company, Limited
9040
3
Namiki Seimitsu Houseki Kabushiki Kaisha
150
3
TDK Corporation
6701
2
Shin-Etsu Chemical Co., Ltd.
5634
2
DIC Corporation
3782
2
National Institute for Materials Science
1105
2
Panasonic Holdings Corporation
1729
2
LG Chem, Ltd.
17598
1
Matsushita Electric Industrial Co., Ltd.
1639
1
Mitsubishi Electric Corporation
45962
1
Other owners 24