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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Data storage

Data storage Patent Leaders in 2020 2020

Primary CPC class G11 · Section G

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 7,073 patents in 2010.peak 7,0731996: 3,440 patents19961997: 3,601 patents1998: 5,080 patents1999: 5,108 patents19992000: 5,282 patents2001: 5,495 patents2002: 5,727 patents20022003: 5,965 patents2004: 6,233 patents2005: 5,473 patents20052006: 6,998 patents2007: 6,466 patents2008: 6,445 patents20082009: 6,377 patents2010: 7,073 patents2011: 7,014 patents20112012: 6,604 patents2013: 5,900 patents2014: 5,913 patents20142015: 5,217 patents2016: 4,708 patents2017: 4,209 patents20172018: 3,362 patents2019: 3,589 patents2020: 3,839 patents20202021: 3,495 patents2022: 3,198 patents2023: 3,109 patents20232024: 3,312 patents2025: 3,065 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Robert G. Biskeborn 49 IBM
2 Norihito Kasada 35 Fujifilm
3 Xiang Yang 30 Sandisk Technologies
#4 Eiki Ozawa 29 Fujifilm
#5 Deepanshu Dutta 28 Sandisk Technologies
#6 Calvin S. Lo 25 IBM
#7 Nhan Do 22 Silicon Storage Technology
#8 Yen-Huei Chen 22 TSMC
#9 Frederick A. Ware 21 Rambus
#10 Hieu Van Tran 21 University of California
#11 Scott J. Derner 20 Micron
#12 Christopher John Kawamura 19 Micron
#13 Harish Reddy Singidi 18 Micron
#14 Masanobu Shirakawa 18 Kioxia
#15 Vipin Tiwari 18 Silicon Storage Technology
#16 Hee Youl Lee 17 Sk Hynix
#17 Hung-Jen Liao 17 TSMC
#18 Huai-Yuan Tseng 17 Sandisk Technologies
#19 Kishore Kumar Muchherla 17 Micron
#20 Woongrae Kim 17 Sk Hynix
#21 Glen E. Hush 16 Micron
#22 Noboru Shibata 16 Kabushiki Kaisha Toshiba
#23 Charles L. Ingalls 14 Micron
#24 Daniele Vimercati 14 Micron
#25 Mohan Dunga 14 Sandisk Technologies
#26 Sang-Wan Nam 14 Samsung
#27 Sampath K. Ratnam 14 Micron
#28 Tomoyuki Sasaki 14 Tdk
#29 Ching-Huang Lu 13 Sandisk Technologies
#30 George B. Raad 13 Micron
#31 Hidehiro Fujiwara 13 TSMC
#32 Hiroshi Yahata 13 Panasonic
#33 Innocenzo Tortorelli 13 Micron
#34 Richard C. Murphy 13 Micron
#35 Yan Wu 13 Headway Technologies
#36 Zhanjie Li 13 Western Digital Technologies
#37 Ashutosh Malshe 12 Micron
#38 Daniel B. Penney 12 Micron
#39 Fabio Pellizzer 12 Micron
#40 Harish N. Venkata 12 Micron
#41 Hernan A. Castro 12 Micron
#42 Michael Kuok San Ho 12 Western Digital Technologies
#43 Suping Song 12 Western Digital Technologies
#44 Tae Hoon Kim 12 Samsung
#45 Toshio Tada 12 Fujifilm
#46 Agostino Pirovano 11 Micron
#47 Akira Goda 11 Micron
#48 Andrea Redaelli 11 Micron
#49 Bruce A. Liikanen 11 Micron
#50 Hiroshi Maejima 11 Kabushiki Kaisha Toshiba
#51 Jason Liang 11 IBM
#52 Jonathan Tsung-Yung Chang 11 TSMC
#53 Marco Sforzin 11 Micron
#54 Quang Le 11 Western Digital Technologies
#55 Takuto Kurokawa 11 Fujifilm
#56 Tsuyoshi Miyamura 11 IBM
#57 Umberto Di Vincenzo 11 Micron
#58 Wei Zhao 11 Sandisk Technologies
#59 Yuniarto Widjaja 11 Zeno Semiconductor
#60 Alexander Goncharov 10 Western Digital Technologies
#61 Atsushi Musha 10 Fujifilm
#62 Chiting Cheng 10 TSMC
#63 Dae-Seok Byeon 10 Samsung
#64 Hong-Yan Chen 10 Sandisk Technologies
#65 Ian Shaeffer 10 Rambus
#66 Ian A. Young 10 Intel
#67 James S. Rehmeyer 10 Micron
#68 Kevin B. Judd 10 IBM
#69 Niles Yang 10 Sandisk Technologies
#70 Peter Feeley 10 Micron
#71 Petrus Antonius Van Der Heijden 10 Western Digital Technologies
#72 Troy A. Manning 10 Micron
#73 Violante Moschiano 10 Micron
#74 Yu-Der Chih 10 TSMC
#75 Cheng Hung Lee 9 TSMC
#76 Dean D. Gans 9 Micron
#77 Dong Hun KWAK 9 Samsung
#78 Il Han Park 9 Samsung
#79 John Eric Linstadt 9 Rambus
#80 Krishna K. Parat 9 Micron
#81 Minoru Yamaga 9 Sony
#82 Muhammad Asif Bashir 9 —
#83 Paolo Amato 9 Micron
#84 Shih-Lien Linus Lu 9 TSMC
#85 Tadamasa TOMA 9 Panasonic
#86 Terence Lam 9 Western Digital Technologies
#87 Tommaso Vali 9 Micron
#88 Wenyu Chen 9 Headway Technologies
#89 Yingda Dong 9 Sandisk Technologies
#90 Ying Liu 9 Headway Technologies
#91 Yuhui Tang 9 Headway Technologies
#92 Zhigang Bai 9 Western Digital (Fremont)
#93 Benjamin Louie 8 Micron
#94 David H. F. Harper 8 IBM
#95 Dengtao Zhao 8 Sandisk Technologies
#96 Fakhruddin Ali Bohra 8 NVIDIA
#97 Ferdinando Bedeschi 8 Micron
#98 Henry Chin 8 Sandisk Technologies
#99 Hiroyuki Ohmori 8 Sony
#100 Hiroyuki Uchida 8 Sony

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Micron 581
2 Sk Hynix 337
3 Samsung 272
#4 Toshiba Memory 206
#5 IBM 204
#6 Western Digital Technologies 153
#7 Seagate Technology 136
#8 Sandisk Technologies 122
#9 TSMC 118
#10 Kabushiki Kaisha Toshiba 102
#11 Toshiba Electronic Devices & Storage 79
#12 Intel 77
#13 United Microelectronics 64
#14 Sony 56
#15 Fujifilm 46
#16 Rambus 43
#17 NVIDIA 36
#18 Headway Technologies 33
#19 Macronix International Co. 27
#20 Renesas Electronics 27
#21 Silicon Storage Technology 26
#22 Spin Memory 25
#23 Hewlett Packard Enterprise 24
#24 Qualcomm 24
#25 Panasonic 23
#26 BOE 22
#27 CEA 20
#28 Tdk 20
#29 AMD 18
#30 Texas Instruments 18
#31 Gopro 17
#32 Semiconductor Energy Laboratory 17
#33 Disney 17
#34 Apple 16
#35 Stmicroelectronics Sa 15
#36 Yangtze Memory Technologies Co. 15
#37 Globalfoundries 13
#38 Showa Denko K.K. 13
#39 Synopsys 13
#40 Ememory Technology 12
#41 Phison Electronics 12
#42 Sae Magnetics (H.K.) 11
#43 Silicon Motion 11
#44 Zeno Semiconductor 11
#45 Nanya Technology 10
#46 Nxp Usa 10
#47 Microsoft 10
#48 AT&T 9
#49 Snap 9
#50 Google 9
#51 Magnecomp 8
#52 Sunrise Memory 8
#53 Unknown 8
#54 Canon 8
#55 Everspin Technologies 7
#56 Gsi Technology 7
#57 Hefei Reliance Memory Limited 7
#58 Hoya 7
#59 Stmicroelectronics (Rousset) Sas 7
#60 Meta 7
#61 Amazon 6
#62 Cadence Design Systems 6
#63 Dell Products 6
#64 Fujitsu Limited 6
#65 Hefei Boe Optoelectronics Technology Co. 6
#66 Hefei Xinsheng Optoelectronics Technology Co. 6
#67 Maxell 6
#68 Microchip Technology Incorporated 6
#69 Microsemi Soc 6
#70 Nantero 6
#71 Tohoku University 6
#72 Unity Semiconductor 6
#73 Windbond Electronics 6
#74 Yamaha 6
#75 Huawei 6
#76 Alto Memory Technology 5
#77 Crossbar 5
#78 Emc Ip Holding Company 5
#79 Eva Automation 5
#80 Jiangsu Advanced Memory Technology Co. 5
#81 Lapis Semiconductor Co. 5
#82 Mediatek 5
#83 National Tsing Hua University 5
#84 Tencent 5
#85 Wuhan Xinxin Semiconductor Manufacturing Co. 5
#86 Adobe 4
#87 Avalanche Technology 4
#88 Cypress Semiconductor 4
#89 Elite Semiconductor Memory Technology 4
#90 Fuji Electric Co. 4
#91 Fujifilm Business Innovation 4
#92 Integrated Device Technology 4
#93 Inventec (Pudong) Technology 4
#94 Korea University Research And Business Foundation 4
#95 Ovonyx Memory Technology 4
#96 Powerchip Semiconductor Manufacturing 4
#97 Purdue Research Foundation 4
#98 Stmicroelectronics International N.V. 4
#99 Surecore Limited 4
#100 Tc Lab 4