H04M 1/276
Using magnetic recording
Official title: using magnetic recording, e.g. on tape
H04M1/276 (Using magnetic recording) appears on 21 US grants and 3 published applications in this corpus.
Search patents in H04M- Granted patents
- 21
- Published applications
- 3
- Assignees
- 11
- Inventors
- 21
- Latest grant
- 23 Nov 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Auto-dial business card system23 Nov 2004US 6,823,065 B1Sprint Communications Co.L.P.
- Personal-servicing communication system4 Jun 1996US 5,524,049 ANippon Communication Industrial Co., Ltd.
- System and method for configuring a telephone24 Oct 1995US 5,461,666 ATexas Instruments Incorporated
- Personal-servicing communication system8 Aug 1995US 5,440,625 ANippon Communication Industrial Co., Ltd.
- System and method for configuring a telephone28 Mar 1995US 5,402,477 A
Most cited
By later US patents
- Personal-signaling communication system258US 4,680,785 ANippo Communication Industrial Co., Ltd. · 1987
- Personal-servicing communication system127US 4,759,056 ANippo Communication Industrial Co., Ltd. · 1988
- Telephone dialing system126US 4,817,136 A1989
- Card-operated telephone118US 4,879,744 AOmron Tateisi Electronics Co. · 1989
- Telephone repertory dialer104US 3,988,550 A1976