DIFF Main Group
A99Z 99/00 Subject matter not otherwise provided for in this section
Introduced: January 2006
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class A99,2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY 51
- KOMATSU 18
- HUAWEI DEVICE 10
- FRENCH SHENGOBI GLASS FACTORY 8
- MITSUBISHI ELECTRIC CORPORATION 7
- 法国圣戈班玻璃厂 7
- SZ DJI TECHNOLOGY COMPANY 7
- LG CHEM 6
- CHINESE ACADEMY OF SCIENCES 5
- YOSHIDA KOGYO 5
Top Applicants (CPC)
Class A99,2013–2023, worldwide · Source: EPO PATSTAT
- BOSTON SCIENTIFIC SCIMED US 3
- TEXAS SCOTTISH RITE HOSPITAL FOR CHILDREN US 3
- KIM, DOO SOO KR 3
- KARDION DE 2
- TEXAS SCOTTISH RITE HOSPITAL FOR CRIPPLED CHILDREN US 1
- BOSTON SCIENTIFIC INTERNATIONAL CO., LTD. 1
- BENTO Franck LU 1
- YALE UNIVERSITY US 1
- HINDUSTAN INSTITUTE OF TECHNOLOGY AND SCIENCE IN 1
- TEXAS SCOTTISH RITE HOSPITAL FOR CHILDREN 1