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

Data storage Patent Leaders All Time

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 447 IBM
2 Frankie F. Roohparvar 432 Micron
3 Yoshitaka Sasaki 391 Headway Technologies
#4 Kyung-geun Lee 367 Samsung
#5 Jung-wan Ko 346 Samsung
#6 Tomoharu Tanaka 272 Kabushiki Kaisha Toshiba
#7 Frederick A. Ware 269 Rambus
#8 Hardayal Singh Gill 266 HGST
#9 Hideo Ando 263 Kabushiki Kaisha Toshiba
#10 Zine-Eddine Boutaghou 252 Seagate Technology
#11 Noboru Shibata 251 Kabushiki Kaisha Toshiba
#12 Norihito Kasada 247 Fujifilm
#13 Tsukasa Ooishi 247 Mitsubishi Electric
#14 Hiroshi Nakamura 238 Kabushiki Kaisha Toshiba
#15 Hee Bok Kang 233 Sk Hynix
#16 Chun-Hsiung Hung 228 Macronix International Co.
#17 Hideto Hidaka 223 Mitsubishi Electric
#18 Troy A. Manning 221 Micron
#19 Christophe J. Chevallier 219 Micron
#20 Harukazu Miyamoto 219 Hitachi
#21 Toru Tanzawa 206 Micron
#22 Yoichiro Sako 203 Sony
#23 Hiroyuki Minemura 199 Hitachi
#24 Hieu Van Tran 198 University of California
#25 Haruki Toda 194 Kabushiki Kaisha Toshiba
#26 Pantas Sutardja 193 Disney
#27 Roy E. Scheuerlein 193 —
#28 Seiichi Aritome 192 Micron
#29 Hiroshi Maejima 189 Kabushiki Kaisha Toshiba
#30 Yingda Dong 189 Sandisk Technologies
#31 Ferdinando Bedeschi 188 Micron
#32 Akira Takahashi 187 Sharp Kabushiki Kaisha
#33 Masanobu Shirakawa 186 Kioxia
#34 Takashi Ishida 185 Sumitomo Electric Industries
#35 Yen-Huei Chen 185 TSMC
#36 In-sik Park 184 Samsung
#37 Kazuhiko Kajigaya 184 Hitachi
#38 Calvin S. Lo 183 IBM
#39 Koji Shimazawa 183 Tdk
#40 Brent Keeth 180 Micron
#41 Sung-hee Hwang 180 Samsung
#42 Koji Sakui 172 Micron
#43 Deepanshu Dutta 170 Sandisk Technologies
#44 Daisaburo Takashima 166 Kabushiki Kaisha Toshiba
#45 Kenji Ohta 165 Sharp Kabushiki Kaisha
#46 Leonard Forbes 164 Micron
#47 Hung-Jen Liao 162 TSMC
#48 Hee Youl Lee 161 Sk Hynix
#49 Yoshiaki Komma 161 Panasonic
#50 Hiroyuki Ito 160 Headway Technologies
#51 Akira Goda 159 Micron
#52 Shigeki Tanemura 159 Headway Technologies
#53 Nhan X. Bui 158 IBM
#54 Jhon Jhy Liaw 155 TSMC
#55 Tetsuya Kondo 154 Victor Company Of Japan
#56 Violante Moschiano 153 Micron
#57 Motoyasu Terao 152 Hitachi
#58 Atsushi Nakamura 149 Sumitomo Electric Industries
#59 Byung Jin Kim 149 LG
#60 David C. McClure 149 —
#61 Jin-Ki Kim 149 Mosaid Technologies Incorporated
#62 Hiroyuki Takahashi 148 Nec Electronics
#63 Scott J. Derner 148 Micron
#64 Kazuo Hiraguchi 147 Fujitsu Limited
#65 Takeshi Maeda 147 Hitachi
#66 Kengo Oishi 144 Fujitsu Limited
#67 Noboru Yamada 144 Sumitomo Electric Industries
#68 Cheng Hung Lee 140 TSMC
#69 Shunpei Yamazaki 140 Semiconductor Energy Laboratory
#70 Kang Soo Seo 139 LG
#71 Kenichi Imamiya 139 Kabushiki Kaisha Toshiba
#72 Mark A. Lantz 139 IBM
#73 Motoshi Ito 139 Panasonic
#74 Quang Le 139 Western Digital Technologies
#75 Daniele Vimercati 138 Micron
#76 Raul-Adrian Cernea 138 —
#77 Kazutami Arimoto 137 Mitsubishi Electric
#78 Koji Hosono 137 Kabushiki Kaisha Toshiba
#79 Yong Cheol Park 137 LG
#80 Edward Charles Gage 136 Seagate Technology
#81 Nima Mokhlesi 136 —
#82 Todd A. Merritt 136 Micron
#83 Kaizhong Gao 135 Seagate Technology
#84 Kishore Kumar Muchherla 135 Micron
#85 Mamoru Shoji 134 Sumitomo Electric Industries
#86 Min Li 134 Headway Technologies
#87 Vishal Sarin 134 Micron
#88 Xiong Liu 134 Seagate Technology
#89 Craig E. Hampel 132 Rambus
#90 Haruo Shiba 132 Tdk
#91 Michael Allen Seigler 132 Seagate Technology
#92 Mustafa Pinarbasi 132 HGST
#93 Xiang Yang 132 Sandisk Technologies
#94 Yan Li 132 —
#95 Kiyoo Itoh 131 Hitachi
#96 Robert A. Hutchins 131 IBM
#97 Robert Norman 131 Unity Semiconductor
#98 Thomas R. Albrecht 131 IBM
#99 Yoshihisa Iwata 130 Kabushiki Kaisha Toshiba
#100 Hironori Araki 129 Headway Technologies

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Samsung 10,279
2 Micron 9,560
3 Sony 8,090
#4 IBM 7,621
#5 Kabushiki Kaisha Toshiba 7,547
#6 Sk Hynix 6,061
#7 Seagate Technology 5,590
#8 Fujitsu Limited 5,503
#9 Hitachi 4,163
#10 Sumitomo Electric Industries 3,694
#11 Sandisk Technologies 2,637
#12 Mitsubishi Electric 2,582
#13 Western Digital Technologies 2,504
#14 Intel 2,426
#15 HGST 2,412
#16 Nec 2,369
#17 Tdk 2,282
#18 TSMC 2,034
#19 Canon 1,800
#20 Panasonic 1,749
#21 HP 1,726
#22 Texas Instruments 1,605
#23 Sharp Kabushiki Kaisha 1,481
#24 Infineon Technologies Ag 1,426
#25 Stmicroelectronics Sa 1,385
#26 Pioneer Electronic 1,352
#27 U.S. Philips 1,294
#28 Victor Company Of Japan 1,162
#29 Macronix International Co. 1,154
#30 LG 1,072
#31 Disney 1,064
#32 AMD 1,051
#33 Ricoh Company 938
#34 Renesas Technology 920
#35 Pioneer 891
#36 Headway Technologies 879
#37 Hgst Netherlands, B.V. 804
#38 Sanyo Electric Co. 789
#39 Rambus 781
#40 Fujifilm 746
#41 United Microelectronics 744
#42 Renesas Electronics 736
#43 Philips 715
#44 Toshiba Memory 709
#45 Kioxia 702
#46 Alps Electric Co. 690
#47 Olympus Optical Co. 669
#48 Lsi 639
#49 Western Digital (Fremont) 636
#50 Eastman Kodak 628
#51 Qualcomm 624
#52 Semiconductor Energy Laboratory 621
#53 Hitachi Maxell 596
#54 Elpida Memory 593
#55 Apple 584
#56 Teac 579
#57 Maxtor 577
#58 Sae Magnetics (H.K.) 572
#59 Funai Electric Co. 560
#60 Storage Technology 516
#61 Motorola 494
#62 Quantum 491
#63 Oracle 489
#64 Hynix (Hyundai Electronics) 473
#65 Toshiba Electronic Devices & Storage 473
#66 NVIDIA 473
#67 Oki Electric Industry Co. 470
#68 Cypress Semiconductor 454
#69 Mediatek 442
#70 Freeescale Semiconductor 389
#71 Seiko Epson 381
#72 Rca 376
#73 3M 374
#74 Microsoft 369
#75 Changxin Memory Technologies 354
#76 Thomson Licensing 353
#77 Spansion Llc. 348
#78 Unknown 347
#79 Imation 333
#80 Foxconn 330
#81 Sgs-Thomson Microelectronics S.A. 322
#82 Toshiba 313
#83 Broadcom 311
#84 Mosaid Technologies Incorporated 308
#85 Silicon Storage Technology 307
#86 Yamaha 305
#87 Hitachi-Lg Data Storage 292
#88 ITRI 292
#89 Siemens Aktiengesellschaft 292
#90 Yangtze Memory Technologies Co. 285
#91 Io-Mega Holding 284
#92 Mitsumi Electric Co. 282
#93 Hutchinson 281
#94 Magnecomp 280
#95 Nec Electronics 273
#96 Daewoo Electronics 268
#97 AT&T 263
#98 Read Rite 263
#99 Qimonda Ag 253
#100 CEA 248