H04Q 2201/806
In pbx or kts systems
Official title: in PBX or KTS systems
H04Q2201/806 (In pbx or kts systems) appears on 10 US grants and 7 published applications in this corpus.
Search patents in H04Q- Granted patents
- 10
- Published applications
- 7
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 30 Nov 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 5 |
| 2002 | 5 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Modular expandable telecommunication system30 Nov 2010US 7,843,971 B2NVIDIA International, Inc.
- Private branch exchange6 Dec 2005US 6,973,177 B2Matsushita Electric Industrial Co., Ltd.
- Digital key telephone system and extension terminal device thereof14 Oct 2003US 6,633,631 B2Kabushiki Kaisha Toshiba
- Digital key telephone system and extension terminal device thereof17 Dec 2002US 6,496,576 B2Kabushiki Kaisha Toshiba
- Digital key telephone system and extension terminal device thereof24 Sep 2002US 6,456,705 B1Kabushiki Kaisha Toshiba
- Private branch exhange14 Aug 2003US 2003/0152214 A1Matsushita Electric Industrial Co., Ltd.
- Modular expandable telecommunication system18 Apr 2002US 2002/0044571 A1Alcatel
- Digital key telephone system and extension terminal device thereof11 Oct 2001US 2001/0028708 A1Kabushiki Kaisha Toshiba
- Digital key telephone system and extension terminal device thereof4 Oct 2001US 2001/0026611 A1Kabushiki Kaisha Toshiba
- Digital key telephone system and extension terminal device thereof27 Sep 2001US 2001/0024492 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Digital key telephone system and extension terminal device thereof95US 6,496,576 B2Kabushiki Kaisha Toshiba · 2002
- Digital button telephone system and extension terminal for the same16US 6,263,061 B1Kabushiki Kaish Toshiba · 2001
- Dual sided insulation displacement connector block11US 6,056,584 ALucent Technologies Inc. · 2000
- Digital key telephone system and extension terminal device thereof2US 6,456,705 B1Kabushiki Kaisha Toshiba · 2002
- Digital key telephone system and extension terminal device thereof2US 6,633,631 B2Kabushiki Kaisha Toshiba · 2003