H10B 20/38
Doping programmed
Official title: {Doping programmed, e.g. mask ROM}
H10B20/38 (Doping programmed) appears on 428 US grants and 240 published applications in this corpus.
Search patents in H10B- Granted patents
- 428
- Published applications
- 240
- Assignees
- 131
- Inventors
- 520
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 15 | 0 |
| 1997 | 26 | 0 |
| 1998 | 20 | 0 |
| 1999 | 23 | 0 |
| 2000 | 26 | 0 |
| 2001 | 31 | 10 |
| 2002 | 24 | 25 |
| 2003 | 23 | 35 |
| 2004 | 35 | 29 |
| 2005 | 21 | 25 |
| 2006 | 14 | 14 |
| 2007 | 13 | 7 |
| 2008 | 8 | 11 |
| 2009 | 6 | 2 |
| 2010 | 8 | 5 |
| 2011 | 1 | 5 |
| 2012 | 0 | 2 |
| 2013 | 8 | 8 |
| 2014 | 2 | 4 |
| 2015 | 5 | 1 |
| 2016 | 3 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 6 |
| 2019 | 5 | 2 |
| 2020 | 3 | 9 |
| 2021 | 6 | 2 |
| 2022 | 2 | 3 |
| 2023 | 3 | 7 |
| 2024 | 3 | 5 |
| 2025 | 5 | 8 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Encoded read-only memory and decoder19 May 2026US 12,633,363 B2QUALCOMM Incorporated
- Schottky-CMOS static random-access memory10 Mar 2026US 12,574,033 B2Schottky Lsi, Inc.
- High-speed multi-write read only memory array10 Mar 2026US 12,575,094 B2Yield Microelectronics Corp.
- Super CMOS devices on a microelectronics system6 Jan 2026US 12,520,572 B2Schottky Lsi, Inc.
- Mask-programmable read only memory with electrically isolated cells30 Sep 2025US 12,432,912 B2SK keyfoundry Inc.
- Memory devices and methods of manufacturing thereof13 Aug 2026US 2026/0237447 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Semiconductor device and method of manufacturing same23 Jul 2026US 2026/0212897 A1
- 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.
- Read-only memory and method of fabricating the same23 Apr 2026US 2026/0113934 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- TFT mask ROM and method for making same312US 6,841,813 B2Matrix Semiconductor, Inc. · 2005
- Process for producing two bit ROM cell utilizing angled implant187US 6,030,871 ASaifun Semiconductors Ltd. · 2000
- Two bit ROM cell and process for producing same149US 6,201,282 B1Saifun Semiconductors Ltd. · 2001
- Static memory cell and method of manufacturing a static memory cell135US 5,780,906 AMicron Technology, Inc. · 1998
- Method of making ROM components133US 5,946,558 AUnited Microelectronics Corp. · 1999