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

Data storage Patent Leaders in 2019 2019

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 Norihito Kasada 52 Fujifilm
2 Eiki Ozawa 38 Fujifilm
3 Robert G. Biskeborn 36 IBM
#4 Hee Youl Lee 28 Sk Hynix
#5 Xiong Liu 22 Seagate Technology
#6 Glen E. Hush 21 Micron
#7 Hieu Van Tran 20 University of California
#8 Calvin S. Lo 19 IBM
#9 Daniel B. Penney 19 Micron
#10 Mark A. Lantz 19 IBM
#11 Frederick A. Ware 18 Rambus
#12 Akira Goda 16 Micron
#13 Benjamin Louie 16 Micron
#14 Daniele Vimercati 16 Micron
#15 Ferdinando Bedeschi 16 Micron
#16 Toru Tanzawa 16 Micron
#17 Christopher John Kawamura 15 Micron
#18 Tetsuya Kaneko 15 Canon
#19 Scott J. Derner 14 Micron
#20 Yingda Dong 14 Sandisk Technologies
#21 Harish Reddy Singidi 13 Micron
#22 Masanobu Shirakawa 13 Kioxia
#23 Richard C. Murphy 13 Micron
#24 Yuniarto Widjaja 13 Zeno Semiconductor
#25 Koji Sakui 12 Micron
#26 Neal Berger 12 Spin Memory
#27 Nhan Do 12 Silicon Storage Technology
#28 Noboru Shibata 12 Kabushiki Kaisha Toshiba
#29 Seung H. Kang 12 Qualcomm
#30 Umberto Di Vincenzo 12 Micron
#31 Vipin Tiwari 12 Silicon Storage Technology
#32 Yuichiro Ishii 12 Renesas Electronics
#33 Yuhui Tang 12 Headway Technologies
#34 Fabio Pellizzer 11 Micron
#35 Harish N. Venkata 11 Micron
#36 Hung-Jen Liao 11 TSMC
#37 Jhon Jhy Liaw 11 TSMC
#38 John Paul Strachan 11 Hewlett Packard Enterprise
#39 Kevin B. Judd 11 IBM
#40 Kishore Kumar Muchherla 11 Micron
#41 Lihong Zhang 11 Seagate Technology
#42 Marcin Gajek 11 Spin Memory
#43 Makoto Yabuuchi 11 Renesas Electronics
#44 Meng-Fan Chang 11 National Tsing Hua University
#45 Mourad El Baraji 11 Spin Memory
#46 Nhan X. Bui 11 IBM
#47 Anh Ly 10 Silicon Storage Technology
#48 Declan Macken 10 Seagate Technology
#49 Hernan A. Castro 10 Micron
#50 Jason Bellorado 10 Seagate Technology
#51 Lester Crudele 10 Spin Memory
#52 Marcus Marrow 10 Seagate Technology
#53 Mehmet Fatih Erden 10 Seagate Technology
#54 Thuan Vu 10 Silicon Storage Technology
#55 Tohru Hasegawa 10 IBM
#56 Xia Li 10 Qualcomm
#57 Charles L. Ingalls 9 Micron
#58 Erich F. Haratsch 9 Seagate Technology
#59 Hank J. Hundemer 9 Tribune Broadcasting Company
#60 Hiroshi Yahata 9 Panasonic
#61 Hyun Yoo Lee 9 Micron
#62 James Gary Wessel 9 Seagate Technology
#63 Kadriye Deniz Bozdag 9 Spin Memory
#64 Michael Arnaud Quinsat 9 Toshiba Memory
#65 Michael Allen Seigler 9 Seagate Technology
#66 Sampath K. Ratnam 9 Micron
#67 Simeon Furrer 9 IBM
#68 Timothy M. Hollis 9 Micron
#69 Tong Zhao 9 Seagate Technology
#70 Venkatraghavan Bringivijayaraghavan 9 Globalfoundries
#71 Christophe J. Chevallier 8 Micron
#72 Chung-Hsun Lee 8 Nanya Technology
#73 David H. F. Harper 8 IBM
#74 Daniel L. Hillman 8 Mosaid Technologies Incorporated
#75 Hsien-Wen Liu 8 Nanya Technology
#76 Krishna K. Parat 8 Micron
#77 Masaki Kado 8 Toshiba Memory
#78 Miao Hu 8 Hewlett Packard Enterprise
#79 Michael C. Kautzky 8 Seagate Technology
#80 Michail Tzoufras 8 Spin Memory
#81 Naoyuki Narita 8 Kabushiki Kaisha Toshiba
#82 Ning Ge 8 HP
#83 Nobuyuki Umetsu 8 Toshiba Memory
#84 Randy C. Inch 8 IBM
#85 Shih-Lien Linus Lu 8 TSMC
#86 Shiho Nakamura 8 Kabushiki Kaisha Toshiba
#87 Susumu Hashimoto 8 Kabushiki Kaisha Toshiba
#88 Sundararajan Sankaranarayanan 8 Seagate Technology
#89 Syed M. Alam 8 Everspin Technologies
#90 Takuya Shimada 8 Kabushiki Kaisha Toshiba
#91 Tim Rausch 8 Seagate Technology
#92 Troy A. Manning 8 Micron
#93 Tsuyoshi Kondo 8 Kabushiki Kaisha Toshiba
#94 Tsuyoshi Miyamura 8 IBM
#95 Yasuaki Ootera 8 Kabushiki Kaisha Toshiba
#96 Yen-Huei Chen 8 TSMC
#97 Ying Liu 8 Headway Technologies
#98 Yoshihiro Ueda 8 Kabushiki Kaisha Toshiba
#99 Yuhang Cheng 8 Seagate Technology
#100 Yu-Der Chih 8 TSMC

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Micron 502
2 Sk Hynix 264
3 Samsung 219
#4 Seagate Technology 208
#5 IBM 195
#6 Toshiba Memory 189
#7 Western Digital Technologies 117
#8 Intel 95
#9 Sandisk Technologies 77
#10 Kabushiki Kaisha Toshiba 73
#11 TSMC 71
#12 Fujifilm 56
#13 Renesas Electronics 54
#14 United Microelectronics 53
#15 Sony 53
#16 Qualcomm 41
#17 Toshiba Electronic Devices & Storage 34
#18 Rambus 31
#19 NVIDIA 30
#20 Headway Technologies 27
#21 Semiconductor Energy Laboratory 27
#22 Hewlett Packard Enterprise 25
#23 Macronix International Co. 24
#24 Spin Memory 24
#25 Panasonic 24
#26 Globalfoundries 23
#27 Silicon Storage Technology 23
#28 BOE 21
#29 Apple 16
#30 Nanya Technology 15
#31 AMD 14
#32 Silicon Motion 14
#33 Adobe 13
#34 Lite-On Technology 13
#35 Amazon 12
#36 Ememory Technology 12
#37 National Tsing Hua University 12
#38 Zeno Semiconductor 12
#39 Disney 12
#40 Texas Instruments 12
#41 Infineon Technologies Ag 11
#42 Oracle 11
#43 Emc Ip Holding Company 10
#44 Gopro 10
#45 Nidec 10
#46 Google 10
#47 Everspin Technologies 9
#48 Fujitsu Limited 9
#49 Lite-On Electronics (Guangzhou) Limited 9
#50 Nantero 9
#51 Stmicroelectronics Sa 9
#52 Tdk 9
#53 Tribune Broadcasting Company 9
#54 CEA 8
#55 Cypress Semiconductor 8
#56 Industry-Academic Cooperation Foundation, Yonsei University 8
#57 Lapis Semiconductor Co. 8
#58 Nxp Usa 8
#59 Semiconductor Manufacturing International (Shanghai) 8
#60 Stmicroelectronics International N.V. 8
#61 Stmicroelectronics (Rousset) Sas 8
#62 Synopsys 8
#63 Microsoft 8
#64 Crossbar 7
#65 Hefei Reliance Memory Limited 7
#66 Magnecomp 7
#67 Nhk Spring Co. 7
#68 Phison Electronics 7
#69 Semiconductor Manufacturing International (Beijing) 7
#70 Unknown 7
#71 Canon 7
#72 Globalfoundries Singapore Pte. 6
#73 Hoya 6
#74 Integrated Device Technology 6
#75 Mediatek 6
#76 Realtek Semiconductor 6
#77 Showa Denko K.K. 6
#78 Unity Semiconductor 6
#79 AT&T 5
#80 Arris Enterprises 5
#81 Cadence Design Systems 5
#82 Fuji Electric Co. 5
#83 Gigadevice Semiconductor (Beijing) 5
#84 Hefei Boe Optoelectronics Technology Co. 5
#85 HP 5
#86 Imec Vzw 5
#87 Maxell 5
#88 Mitsubishi Electric 5
#89 Shenzhen Epostar Electronics Limited 5
#90 Snap 5
#91 Spin Transfer Technologies 5
#92 Agency For Science, Technology And Research 4
#93 Aol 4
#94 Conversant Intellectual Property Management 4
#95 Dell Products 4
#96 Gigadevice Semiconductor (Hefei) 4
#97 Gigadevice Semiconductor (Shanghai) 4
#98 Globalfoundries U.S. 4
#99 Interdigital Patent Holdings 4
#100 Longitude Flash Memory Solutions 4