Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Grinding and polishing Patent Leaders in 2018 2018

Primary CPC class B24 · Section B

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 876 patents in 2001.peak 8761996: 408 patents19961997: 476 patents1998: 459 patents1999: 586 patents19992000: 765 patents2001: 876 patents2002: 825 patents20022003: 804 patents2004: 752 patents2005: 738 patents20052006: 783 patents2007: 543 patents2008: 382 patents20082009: 337 patents2010: 335 patents2011: 415 patents20112012: 474 patents2013: 542 patents2014: 489 patents20142015: 557 patents2016: 505 patents2017: 488 patents20172018: 501 patents2019: 513 patents2020: 398 patents20202021: 288 patents2022: 394 patents2023: 506 patents20232024: 473 patents2025: 432 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Bowen Xue 12 Citic Dicastal Co.
2 Jiandong Guo 11 Citic Dicastal Co.
3 Anthony A. DiGiovanni 7 Baker Hughes Holdings
#4 George C. Jacob 7 Rohm And Haas Electronic Materials Cmp Holdings
#5 Hung Chih Chen 7 Wistron
#6 Hiroyuki Shinozaki 6 Ebara
#7 Andrew Wank 5 Rohm And Haas Electronic Materials Cmp Holdings
#8 Chung-Chih Feng 5 San Fang Chemical Industry Co.
#9 David Michael Veneziale 5 Dow Global Technologies
#10 Diego Lugo 5 Dow Global Technologies
#11 Hiroaki Suzuki 5 Ricoh Company
#12 I-Peng Yao 5 San Fang Chemical Industry Co.
#13 Jeffrey B. Miller 5 Rohm And Haas Electronic Materials Cmp Holdings
#14 Masato Umeoka 5 Sintokogio
#15 Yuhua Tong 5 Rohm And Haas Electronic Materials Cmp Holdings
#16 Bainian Qian 4 Rohm And Haas Electronic Materials Cmp Holdings
#17 Daniel T. Dovel 4 Darex
#18 Danny E. Scott 4 Baker Hughes Holdings
#19 Debkumar Mukhopadhyay 4 Us Synthetic
#20 Diane Scott 4 Nexplanar
#21 Hozumi Yasuda 4 Ebara
#22 Julia Kozhukh 4 Rohm And Haas Electronic Materials Cmp Holdings
#23 Kenneth E. Bertagnolli 4 Us Synthetic
#24 Makoto Fukushima 4 Ebara
#25 Masaya Seki 4 Ebara
#26 Osamu Nabeya 4 Ebara
#27 Paul Andre Lefevre 4 Innopad
#28 Teresa Brugarolas Brufau 4 Rohm And Haas Electronic Materials Cmp Holdings
#29 William C. Allison 4 Nexplanar
#30 Yung-Chang Hung 4 San Fang Chemical Industry Co.
#31 Yung-Cheng Lu 4 TSMC
#32 Akira Watanabe 3 Olympus Optical Co.
#33 David P. Miess 3 Us Synthetic
#34 Duy K. Lehuu 3 3M
#35 Erwin Junker 3 Erwin Junker Maschinenfabrik Gmbh
#36 Godofredo Vela 3 Saint-Gobain Abrasifs
#37 Hirotsugu Takazawa 3 Subaru
#38 J. Daniel Belnap 3 Smith International
#39 Joel William Hoehn 3 Seagate Technology
#40 John P. Rizzo, Jr. 3 RTX (Raytheon)
#41 Keith Eliason 3 Graco Minnesota
#42 Kenya Ito 3 Ebara
#43 Marty W. DeGroot 3 Dow Global Technologies
#44 Marc R. Stack 3 Dow Global Technologies
#45 Masaki Takeuchi 3 Murata Manufacturing Co.
#46 Nicholas J. Lyons 3 Baker Hughes Holdings
#47 Rajeev Bajaj 3 Applied Materials
#48 Shou-Sung Chang 3 Applied Materials
#49 Shen-Nan Lee 3 TSMC
#50 Shinya Matsuo 3 Omron
#51 Shoichi Yamamoto 3 Sintokogio
#52 Srikanth Kamireddi 3 Apple
#53 Steven M. Zuniga 3 Applied Materials
#54 Takuya Koyama 3 Sintokogio
#55 Tatsuo Nakahata 3 Subaru
#56 Tetsuji Togawa 3 Ebara
#57 Teng-Chun Tsai 3 TSMC
#58 Yasuyuki Motoshima 3 Ebara
#59 Yoshihiko Kondo 3 Subaru
#60 Adrian Schoch 2 Robert Bosch Gmbh
#61 Akira Nakamura 2 Sony
#62 Alan E. Humphrey 2 International Test Solutions
#63 Alexander William Simpson 2 Infineon Technologies Ag
#64 Andrew David Habermas 2 Seagate Technology
#65 Beat Eugster 2 Robert Bosch Gmbh
#66 Benoît Furet 2 Universite De Nantes
#67 Boguslaw A. Swedek 2 Applied Materials
#68 Brian J. Brown 2 Applied Materials
#69 Brent A. Kuehne 2 Black & Decker
#70 Brian K. Miehm 2 Apple
#71 Brian J. Wahl 2 Saint-Gobain Abrasifs
#72 Cecile O. MEJEAN 2 Saint-Gobain Abrasifs
#73 Chih-Hung Chen 2 TSMC
#74 Chih-Hua Hsu 2 Techway Industrial Co.
#75 Daniel A. Beaudet 2 Velasa Sports
#76 Daijitsu Harada 2 Shin-Etsu Chemical Co.
#77 Dan Huang 2 IBM
#78 Dashi Nie 2 Saint-Gobain Abrasifs
#79 David A. Stockey 2 Baker Hughes Holdings
#80 Dirk Roeck 2 Flex-Elektrowerkzeuge Gmbh
#81 Eric Lau 2 Applied Materials
#82 Fengji Yeh 2 Rohm And Haas Electronic Materials Cmp Holdings
#83 Frank J. Csillag 2 Saint-Gobain Abrasives
#84 Fred C. Redeker 2 Applied Materials
#85 Fumio Miyazawa 2 Fujibo Holdings
#86 Gaoxiang Gou 2 Saint-Gobain Abrasifs
#87 Geun Rok Park 2 Nike
#88 Giovacchino Giurlani 2 Futura S.P.A.
#89 Goran Hoglund 2 Kwh Mirka
#90 Guijian Xiao 2 Chongqing University
#91 Guodong Zhan 2 Saudi Arabian Oil
#92 Hans Hede 2 Kwh Mirka
#93 Harunobu Matsui 2 Shin-Etsu Chemical Co.
#94 Hakan Persson 2 NVIDIA
#95 Hideaki Kaga 2 Sintokogio
#96 Hisanori Matsuo 2 Ebara
#97 Itsuki Kobata 2 Ebara
#98 Ivan D. Goryachev 2 Velasa Sports
#99 James H. Duvall 2 International Test Solutions
#100 Jason Garcheung Fung 2 Applied Materials

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Ebara 27
2 Applied Materials 22
3 Saint-Gobain Abrasives 20
#4 Saint-Gobain Abrasifs 19
#5 3M 13
#6 TSMC 13
#7 Baker Hughes Holdings 12
#8 Citic Dicastal Co. 12
#9 Sintokogio 10
#10 Us Synthetic 10
#11 Rohm And Haas Electronic Materials Cmp Holdings 8
#12 Robert Bosch Gmbh 7
#13 Smith International 7
#14 RTX (Raytheon) 7
#15 Apple 6
#16 Cabot Microelectronics 6
#17 Dow Global Technologies 6
#18 Jtekt 6
#19 Disco 5
#20 San Fang Chemical Industry Co. 5
#21 Shin-Etsu Handotai Co. 5
#22 The Boeing 5
#23 Darex 4
#24 Diamond Innovations 4
#25 Essilor International (Compagnie Generale D'Optique) 4
#26 Toshiba Memory 4
#27 Samsung 4
#28 Black & Decker 3
#29 Fujibo Holdings 3
#30 Graco Minnesota 3
#31 Seagate Technology 3
#32 Semiconductor Manufacturing International (Shanghai) 3
#33 Shin-Etsu Chemical Co. 3
#34 Subaru 3
#35 Aktiebolaget Skf 2
#36 Chongqing University 2
#37 Diamond Tool Supply 2
#38 Erwin Junker Maschinenfabrik Gmbh 2
#39 Essilor International 2
#40 Flex-Elektrowerkzeuge Gmbh 2
#41 Flow International 2
#42 Fuji Manufacturing Co. 2
#43 Futura S.P.A. 2
#44 Gehring Technologies Gmbh + 2
#45 Hegenscheidt-Mfd Gmbh & Co. Kg 2
#46 Foxconn 2
#47 Husqvarna Ab 2
#48 International Test Solutions 2
#49 Iv Technologies Co. 2
#50 Kennametal 2
#51 Kwh Mirka 2
#52 Makita 2
#53 Nidek Co. 2
#54 Nsk 2
#55 Rodenstock Gmbh 2
#56 Sandvik Intellectual Property Ab 2
#57 Semiconductor Manufacturing International (Beijing) 2
#58 Siemens Aktiengesellschaft 2
#59 Sugino Machine Limited 2
#60 Sumco 2
#61 Supfina Grieshaber Gmbh & Co. Kg 2
#62 Techway Industrial Co. 2
#63 Thielenhaus Technologies Gmbh 2
#64 Tormek Ab 2
#65 Universite De Nantes 2
#66 Velasa Sports 2
#67 BOE 2
#68 Nike 2
#69 AT&T 1
#70 Ablic 1
#71 Alta Devices 1
#72 Android Industries 1
#73 Applied Nano Surfaces Sweden Ab 1
#74 Arbortech Industries Limited 1
#75 Atlas Copco Industrial Technique Ab 1
#76 Balance Systems S.R.L. 1
#77 Beijing Boe Display Technology Co. 1
#78 Cardinal Ig 1
#79 C. & E. Fein Gmbh 1
#80 CNRS 1
#81 Cloud Network Technology Singapore Pte. 1
#82 C.M.E. Blasting & Mining Equipment 1
#83 Columbia Insurance 1
#84 Comadur Sa 1
#85 Compagnie Generale Des Etablissements Michelin 1
#86 Corner Star Limited 1
#87 Cyclonaire 1
#88 Diamabrush 1
#89 Dickson Industries 1
#90 Dmg Mori Co. 1
#91 Ehwa Diamond Industrial Co. 1
#92 Element Six Limited 1
#93 Emag Holding Gmbh 1
#94 Engineered Abrasives 1
#95 Erwin Junker Grinding Technology A.S. 1
#96 Everdisplay Optronics (Shanghai) Co. 1
#97 Fanuc 1
#98 Ferrobotics Compliant Robot Technology Gmbh 1
#99 Fu Ding Electronical Technology (Jiashan) Co. 1
#100 Fu Tai Hua Industry (Shenzhen) Co. 1