Patent holdings for IPC class C03B 33/03

Total number of patents in this class: 190

10-year publication summary

13
20
21
13
13
19
6
19
6
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10390
43
Nippon Electric Glass Co., Ltd.
2497
32
Bando Kiko Co., Ltd.
76
25
SCHOTT AG
1715
9
Mitsuboshi Diamond Industrial Co., Ltd.
147
7
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8475
5
Corning Precision Materials Co., Ltd.
211
5
Grenzebach Maschinenbau GmbH
173
4
Asahi Glass Company, Limited
2706
3
Billco Manufacturing, Inc.
6
3
4JET Microtech GmbH
53
3
FOR.EL. S.p.A.
49
2
Saint-Gobain Glass France
3231
2
THK Co., Ltd.
1196
2
THK Intechs Co., Ltd.
4
2
HKC Corporation Limited
3391
2
HEGLA GmbH & Co. KG
21
2
2M S.r.l.
7
2
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3145
2
LG Chem, Ltd.
17737
1
Other owners 34