Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AC

Alan Chen — 62 Patents

RIRadian Memory Systems, Illc: 45 patents #5 of 7Top 75%
Motorola: 8 patents #1,586 of 14,142Top 15%
ATAtmel: 4 patents #196 of 762Top 30%
Micron: 4 patents #2,747 of 6,374Top 45%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Simi Valley, CA: #13 of 1,200 inventorsTop 2%
California: #5,560 of 386,348 inventorsTop 2%
Overall (All Time): #36,550 of 4,157,543Top 1%
62 Patents All Time
Alan Chen has been granted 62 US patents while listed as an inventor at Radian Memory Systems, Illc. The first was granted in 1995 and the most recent in May 2025. Alan Chen ranks #36,550 of 4,157,543 US inventors in our database (top 0.88%). Patent records list Alan Chen in Simi Valley, CA, US.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 20 patents in 2022.peak 201995: 1 patents19951996: 1 patents1997: 4 patents19971998: 2 patents2000: 1 patents20002007: 1 patents2009: 1 patents20092010: 1 patents2012: 4 patents20122014: 1 patents2017: 3 patents20172020: 3 patents2021: 10 patents20212022: 20 patents2023: 3 patents20232024: 4 patents2025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12306766 Hierarchical storage device with host controlled subdivisions Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2025-05-20
12216931 Techniques for directed data migration Craig Robertson, Robert Lercari, Andrey V. Kuzmin 2025-02-04
12093533 Memory management of nonvolatile discrete namespaces Andrey V. Kuzmin, Robert Lercari 2024-09-17
11914523 Hierarchical storage device with host controlled subdivisions Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2024-02-27
11907134 Nonvolatile memory controller supporting variable configurability and forward compatibility Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2024-02-20
11907569 Storage deveice that garbage collects specific areas based on a host specified context Craig Robertson, Robert Lercari, Andrey V. Kuzmin 2024-02-20
11740801 Cooperative flash management of storage device subdivisions Andrey V. Kuzmin, Robert Lercari 2023-08-29
11675708 Storage device with division based addressing to support host memory array discovery Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2023-06-13
11544200 Storage drive with NAND maintenance on basis of segments corresponding to logical erase units Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2023-01-03
11537529 Storage drive with defect management on basis of segments corresponding to logical erase units Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-12-27
11537528 Storage system with division based addressing and query based cooperative flash management Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-12-27
11481144 Techniques for directed data migration Craig Robertson, Robert Lercari, Andrey V. Kuzmin 2022-10-25
11449436 Storage system with division based addressing and cooperative flash management Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-09-20
11416413 Storage system with division based addressing and cooperative flash management Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-08-16
11360909 Configuration of flash memory structure based upon host discovery of underlying memory geometry Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-06-14
11347657 Addressing techniques for write and erase operations in a non-volatile storage device Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-05-31
11347656 Storage drive with geometry emulation based on division addressing and decoupled bad block management Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-05-31
11347658 Storage device with geometry emulation based on division programming and cooperative NAND maintenance Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-05-31
11321237 Idealized nonvolatile or persistent storage with structure-dependent spare capacity swapping Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-05-03
11307995 Storage device with geometry emulation based on division programming and decoupled NAND maintenance Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-04-19
11288203 Zones in nonvolatile memory formed along die boundaries with independent address translation per zone Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-03-29
11275695 Persistent/nonvolatile memory with address translation tables by zone Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-03-15
11269781 Programmable configuration of zones, write stripes or isolated regions supported from subset of nonvolatile/persistent memory Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-03-08
11249652 Maintenance of nonvolatile memory on host selected namespaces by a common memory controller Andrey V. Kuzmin, Robert Lercari 2022-02-15
11237978 Zone-specific configuration of maintenance by nonvolatile memory controller Robert Lercari, Mike Jadon, Craig Robertson, Andrey V. Kuzmin 2022-02-01