H10B 20/50
Having transistors on different levels
Official title: {having transistors on different levels, e.g. 3D ROM}
H10B20/50 (Having transistors on different levels) appears on 81 US grants and 87 published applications in this corpus.
Search patents in H10B- Granted patents
- 81
- Published applications
- 87
- Assignees
- 33
- Inventors
- 133
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 8 |
| 2016 | 6 | 5 |
| 2017 | 5 | 15 |
| 2018 | 9 | 2 |
| 2019 | 8 | 7 |
| 2020 | 2 | 5 |
| 2021 | 4 | 4 |
| 2022 | 5 | 7 |
| 2023 | 3 | 4 |
| 2024 | 6 | 6 |
| 2025 | 6 | 10 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Read-only memory device and method1 Sep 2026US 12,727,158 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Semiconductor device and method of manufacturing the semiconductor device5 May 2026US 12,621,988 B2SK hynix Inc.
- Multi-stack bitcell architecture7 Apr 2026US 12,598,741 B2Arm Limited
- Memory device14 Oct 2025US 12,446,216 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Microelectronic devices with staircased stadiums and both through-step and to-step contacts, and related systems and methods19 Aug 2025US 12,394,711 B2Micron Technology, Inc.
- Memory device operating method8 Oct 2026US 2026/0313888 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Semiconductor device and method of manufacturing the semiconductor device10 Sep 2026US 2026/0271281 A1SK hynix Inc.
- Read-only memory device and method7 May 2026US 2026/0129850 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Memory devices programmed with dielectric structures and methods for manufacturing the same23 Apr 2026US 2026/0113930 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Microelectronic devices with staircased stadiums and both through-step and to-step contacts, and related systems and methods18 Dec 2025US 2025/0385177 A1Micron Technology, Inc.
Most cited
By later US patents
- TFT mask ROM and method for making same312US 6,841,813 B2Matrix Semiconductor, Inc. · 2005
- Semiconductor device and method for manufacturing the same261US 9,419,018 B2Semiconductor Energy Laboratory Co.Ltd. · 2016
- Methods of fabricating a three-dimensional non-volatile memory device207US 9,230,973 B2SanDisk Technologies LLC · 2016
- ROM device having memory units arranged in three dimensions, and a method of making the same80US 5,858,841 AUnited Microelectronics Corp. · 1999
- Method for fabricating read-only memory device with a three-dimensional memory cell structure60US 5,693,552 AUnited Microelectronics Corp. · 1997