Patent holdings for IPC class B29C 55/02

Total number of patents in this class: 646

10-year publication summary

71
62
37
27
44
43
43
36
32
31
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Zeon Corporation
4118
32
Nitto Denko Corporation
8350
24
Toray Industries, Inc.
7009
21
The Procter & Gamble Company
21989
20
Sumitomo Chemical Company, Limited
9089
16
LG Chem, Ltd.
17686
15
FUJIFILM Corporation
29742
14
Kaneka Corporation
4600
13
Kuraray Co., Ltd.
3532
12
Toyobo Co., Ltd.
2465
12
Konica Minolta Opto, Inc.
1045
11
W. L. Gore & Associates, Inc.
2740
11
The Glad Products Company
509
10
Konica Minolta, Inc.
8846
9
The Japan Steel Works, Ltd.
753
9
Samsung SDI Co., Ltd.
8935
8
SK Chemicals Co., Ltd.
617
8
Toyo Kohan Co., Ltd.
421
8
3m Innovative Properties Company
17751
7
Mitsubishi Plastics, Inc.
318
7
Other owners 379