Patent holdings for IPC class C01B 11/22

Total number of patents in this class: 13

10-year publication summary

1
1
2
1
1
1
4
0
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Innovotech Inc.
23
2
Panasonic Intellectual Property Management Co., Ltd.
30379
1
FUJIFILM Electronic Materials U.S.A., Inc.
314
1
Nippoh Chemicals Co., Ltd.
22
1
Nippon Chemical Industrial Co., Ltd.
278
1
Oxford University Innovation Limited
1481
1
Tokyo Ohka Kogyo Co., Ltd.
1514
1
Wacker Chemie AG
2105
1
Exciton Pharma Corp.
7
1
de Nora Holdings US, Inc
23
1
Riken Perfumery Holdings Co., Ltd.
10
1
Taian Havay Group Co., Ltd
2
1
Other owners 0