Patent holdings for IPC class C03B 33/03

Total number of patents in this class: 198

10-year publication summary

13
20
21
14
14
19
7
20
6
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10510
45
Nippon Electric Glass Co., Ltd.
2558
33
Bando Kiko Co., Ltd.
76
26
SCHOTT AG
1738
8
Mitsuboshi Diamond Industrial Co., Ltd.
148
7
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8471
5
Corning Precision Materials Co., Ltd.
211
5
Grenzebach Maschinenbau GmbH
173
4
Asahi Glass Company, Limited
2619
3
Billco Manufacturing, Inc.
6
3
FOR.EL. S.p.A.
56
3
4JET Microtech GmbH
53
3
Saint-Gobain Glass France
3240
2
THK Co., Ltd.
1194
2
THK Intechs Co., Ltd.
5
2
HKC Corporation Limited
3491
2
HEGLA GmbH & Co. KG
24
2
2M S.r.l.
7
2
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3263
2
LG Chem, Ltd.
17929
1
Other owners 38