Patent holdings for IPC class C07C 381/02

Total number of patents in this class: 16

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
WisTa Laboratories Ltd.
137
4
Sumitomo Chemical Company, Limited
9095
3
Saudi Arabian Oil Company
13569
2
Aramco Services Company
4077
1
Flexsys America L.P.
27
1
Otsuka Chemical Co., Ltd.
288
1
San-Apro Limited
78
1
Tokyo Ohka Kogyo Co., Ltd.
1549
1
Beijing Red Avenue Innova Co., Ltd.
4
1
Hangzhou Branch of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
1
1
Other owners 0