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  • All sections
  • C - Chemistrymetallurgy
  • C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
  • C03C 3/16 - Silica-free oxide glass compositions containing phosphorus

Patent holdings for IPC class C03C 3/16

Total number of patents in this class: 228

10-year publication summary

16
16
20
16
16
12
23
16
4
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10257
39
Nippon Electric Glass Co., Ltd.
2455
25
Hoya Corporation
2746
21
Ohara Inc.
217
14
Agc, Inc.
4827
10
Asahi Glass Company, Limited
2792
6
Goodrich Corporation
2123
5
SCHOTT AG
1712
4
Commissariat à l'énergie atomique et aux energies alternatives
10923
3
National Institute of Advanced Industrial Science and Technology
3805
3
Ferton Holding S.A.
205
3
Universitetet I Oslo
157
3
Changzhou Fusion New Material Co., Ltd.
56
3
Centre National de La Recherche Scientifique
10421
2
Idemitsu Kosan Co., Ltd.
4220
2
Alps Electric Co., Ltd.
810
2
CDGM Glass Co., Ltd
137
2
Central Glass Company, Limited
1263
2
The Curators of the University of Missouri
1043
2
D. Swarovski KG
103
2
Other owners 75

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