G11C 17/08
Read-only memories programmable only once: using semiconductor devices
Official title: using semiconductor devices, e.g. bipolar elements (G11C17/06, G11C17/14 take precedence)
G11C17/08 (Read-only memories programmable only once: using semiconductor devices) appears on 1,027 US grants and 561 published applications in this corpus.
Search patents in G11C- Granted patents
- 1,027
- Published applications
- 561
- Assignees
- 278
- Inventors
- 1,420
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 16 | 0 |
| 1978 | 10 | 0 |
| 1979 | 13 | 0 |
| 1980 | 23 | 0 |
| 1981 | 15 | 0 |
| 1982 | 18 | 0 |
| 1983 | 21 | 0 |
| 1984 | 28 | 0 |
| 1985 | 15 | 0 |
| 1986 | 13 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 17 | 0 |
| 1994 | 24 | 0 |
| 1995 | 23 | 0 |
| 1996 | 24 | 0 |
| 1997 | 26 | 0 |
| 1998 | 42 | 0 |
| 1999 | 27 | 0 |
| 2000 | 31 | 0 |
| 2001 | 25 | 5 |
| 2002 | 26 | 22 |
| 2003 | 25 | 29 |
| 2004 | 26 | 31 |
| 2005 | 33 | 34 |
| 2006 | 28 | 32 |
| 2007 | 21 | 32 |
| 2008 | 28 | 26 |
| 2009 | 18 | 20 |
| 2010 | 22 | 21 |
| 2011 | 19 | 17 |
| 2012 | 14 | 17 |
| 2013 | 20 | 21 |
| 2014 | 27 | 20 |
| 2015 | 21 | 27 |
| 2016 | 31 | 27 |
| 2017 | 28 | 20 |
| 2018 | 25 | 23 |
| 2019 | 23 | 22 |
| 2020 | 19 | 18 |
| 2021 | 14 | 12 |
| 2022 | 11 | 19 |
| 2023 | 19 | 19 |
| 2024 | 14 | 17 |
| 2025 | 13 | 19 |
| 2026 | 9 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Read-only memory device and method1 Sep 2026US 12,727,158 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Backside programmable gate array1 Sep 2026US 12,727,242 B2International Business Machines Corporation
- Encoded read-only memory and decoder19 May 2026US 12,633,363 B2QUALCOMM Incorporated
- Encoded read-only memory and decoder19 May 2026US 12,633,364 B2QUALCOMM Incorporated
- Memory device7 Apr 2026US 12,597,478 B2Rohm Co., Ltd.
- Memory device operating method8 Oct 2026US 2026/0313888 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Memory devices and methods of manufacturing thereof13 Aug 2026US 2026/0237447 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Read-only memory method, layout, and device2 Jul 2026US 2026/0188400 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Read-only memory (rom) device and method25 Jun 2026US 2026/0179701 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Mask programmable rom using shared connections28 May 2026US 2026/0150278 A1Taalas Inc.
Most cited
By later US patents
- Three-dimensional read-only memory750US 5,835,396 A1998
- TFT mask ROM and method for making same312US 6,841,813 B2Matrix Semiconductor, Inc. · 2005
- High density semiconductor memory cell and memory array using a single transistor and having counter-doped poly and buried diffusion wordline240US 6,992,925 B2Kilopass Technologies, Inc. · 2006
- Three-dimensional memory device incorporating segmented bit line memory array210US 7,233,024 B2SanDisk 3D LLC · 2007
- Fixed resistance high density parallel ROM device202US 5,684,733 AHoltek Microelectronics, Inc. · 1997