Patent holdings for IPC class G03F 7/28

Total number of patents in this class: 7

10-year publication summary

0
1
0
0
0
0
0
0
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Tokyo Ohka Kogyo Co., Ltd.
1481
3
Texas Instruments Incorporated
19376
1
Shin-Etsu Chemical Co., Ltd.
5132
1
Dai Nippon Printing Co., Ltd.
3891
1
Rainbow Technology Systems LTD
7
1
Other owners 0