Machine tools Patent Leaders 2018

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: 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Patents per Year

Top Inventors

Rank ↑	Inventor ↕	Patents ↕	Primary Company ↕
1	Steven R. Peters	13	Lincoln Global
2	Franz Haimer	12	Franz Haimer Maschinenbau Kg
3	David R. Sigler	9	General Motors
#4	Kazuya Hirata	8	Disco
#5	Blair E. Carlson	7	General Motors
#6	Bruce Patrick Albrecht	7	Illinois Tool Works
#7	Andrew Lee Trimmer	6	GE
#8	Atsushi Kawakita	6	Toyota
#9	Gil Hecht	6	Iscar
#10	Hermann J. Stadtfeld	6	The Gleason Works
#11	Hirohisa Ishi	6	Kyocera
#12	Igor Kaufmann	6	Kennametal
#13	Kaoru Hiraga	6	Fanuc
#14	Marc Lee Denis	6	Illinois Tool Works
#15	Michael J. Karagoulis	6	General Motors
#16	Steven Edward Barhorst	6	Hobart Brothers
#17	Young Heum Kim	6	Korloy
#18	Badri Narayanan	5	Lincoln Global
#19	Daisuke Kawaguchi	5	Canon
#20	Gary A. Lipczynski	5	The Boeing
#21	James Francis Rappl	5	Illinois Tool Works
#22	Joseph A. Daniel	5	Lincoln Global
#23	Keisuke Araki	5	Canon
#24	Khalid Hassan	5	Victor Equipment
#25	Kohei Hisada	5	Toyota
#26	Mario Anthony Amata	5	Hobart Brothers
#27	Ruy Frota de Souza Filho	5	Kennametal
#28	Thomas Don Lahti	5	Illinois Tool Works
#29	Timothy Szweda	5	Robert Bosch Gmbh
#30	Tsubasa HIROSE	5	Hamamatsu Photonics K.K.
#31	Akiyoshi Kawahara	4	Fanuc
#32	Anthony Van Bergen Salsich	4	Illinois Tool Works
#33	Atsushi Tada	4	Toshiba Kikai
#34	Bernard J. Vogel	4	Illinois Tool Works
#35	Bowen Xue	4	Citic Dicastal Co.
#36	Brian Taylor	4	Robert Bosch Gmbh
#37	Edward John Batt	4	The Boeing
#38	Gerald J. Bruck	4	Siemens Energy
#39	Geoffrey H. Putnam	4	Victor Equipment
#40	Jeffery R. Ihde	4	Illinois Tool Works
#41	Jiandong Guo	4	Citic Dicastal Co.
#42	John Pereira	4	Antaya Technologies
#43	Kane-Hee Lee	4	Korloy
#44	Katsumi Okamura	4	Sumitomo Electric Hardmetal
#45	Kazuhisa Tamura	4	Mitsubishi Electric
#46	Kenneth R. Pierce	4	Illinois Tool Works
#47	Ki Chan Nam	4	Korloy
#48	Kurtis L. Geerlings	4	Gentex
#49	Makoto Nakano	4	Mitsui Toatsu Chemicals, Incorporated
#50	Michael W. Gearhart	4	Illinois Tool Works
#51	Michael Hacker	4	Kennametal
#52	Nicholas Ryan Farrell	4	The Boeing
#53	Paul H. Stasiewicz	4	Sawstop Holding
#54	Peter Schenk	4	Roehm Gmbh
#55	Pei-Chung Wang	4	General Motors
#56	Rinsei Ikeda	4	Jfe Steel
#57	Roy C. Coakley	4	Illinois Tool Works
#58	Robert R. Davidson	4	Illinois Tool Works
#59	Robert S. Doumani	4	Robert Bosch Gmbh
#60	Roger H. Lambert	4	Victor Equipment
#61	Seiji Furusako	4	Nippon Steel
#62	Shin Asano	4	Mitsubishi Electric
#63	Shinji Kodama	4	Yazaki
#64	Shigefumi Suzuyama	4	Fuji
#65	Srikanth Chandrudu Kottilingam	4	GE
#66	Tatsuhiko KURIYA	4	Dmg Mori Co.
#67	Tetsuhei Kobayashi	4	Mitsubishi Electric
#68	Todd Earl Holverson	4	Illinois Tool Works
#69	Tomofumi Shintani	4	Mitsubishi Electric
#70	Yasunobu Miyazaki	4	Nippon Steel
#71	Yasushi Mukai	4	Panasonic
#72	Yosuke Mukai	4	Mitsubishi Electric
#73	Abdelrahman N. Shuaib	3	KFUPM
#74	Ahmed Kamel	3	Siemens Energy
#75	Akihiro Nemoto	3	Honda Motor Co.
#76	Akio Niikura	3	Uacj
#77	Alexandra Mary Mackin	3	Antaya Technologies
#78	Anongsack Paseuth	3	Sumitomo Electric Hardmetal
#79	Bartholomäus Reisacher, Jr.	3	Ott-Jakob Spanntechnik Gmbh
#80	Bernd Burbaum	3	Siemens Aktiengesellschaft
#81	Berthold Heinrich Zeug	3	Kennametal
#82	Cesar Atin	3	Acergy France Sas
#83	Ching-Ting Chen	3	—
#84	Craig A. Schell	3	Black & Decker
#85	Danny Ray Davis	3	Kennametal
#86	David Ivinson	3	Eca Medical Instruments
#87	Donald L. Bareman	3	Gentex
#88	Eckhard Maurer	3	Smw-Autoblok Spannsysteme Gmbh
#89	Edward G. Beistle	3	Illinois Tool Works
#90	Edward L. Cooper	3	Elco Enterprises
#91	Edward Jeffrey Cruz	3	Unknown
#92	Eric Laliberte	3	Robert Bosch Gmbh
#93	Fabian Bek	3	C. & E. Fein Gmbh
#94	Frederick M. Mako	3	Unknown
#95	Glenn K. Redding	3	Victor Equipment
#96	Hatsuhiko Oikawa	3	Nippon Steel & Sumitomo Metal
#97	Hideaki Kanaoka	3	Sumitomo Electric Hardmetal
#98	Hidekiyo Takaoka	3	Murata Manufacturing Co.
#99	Huaxin Li	3	General Motors
#100	Isamu Sato	3	Tdk

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Illinois Tool Works	64
2	Fanuc	58
3	The Boeing	51
#4	Kennametal	43
#5	Lincoln Global	39
#6	Robert Bosch Gmbh	32
#7	GE	30
#8	Kyocera	29
#9	General Motors	23
#10	Iscar	22
#11	RTX (Raytheon)	21
#12	Mitsubishi Electric	18
#13	Sandvik Intellectual Property Ab	18
#14	Toyota	18
#15	Robert Bosch Tool	16
#16	Sumitomo Electric Hardmetal	16
#17	Disco	14
#18	Honda Motor Co.	14
#19	Tungaloy	14
#20	Milwaukee Electric Tool	13
#21	Rolls-Royce Plc	13
#22	Panasonic	13
#23	Dmg Mori Co.	12
#24	Unknown	12
#25	Samsung	12
#26	Nippon Steel & Sumitomo Metal	11
#27	Senju Metal Industry Co.	11
#28	Franz Haimer Maschinenbau Kg	10
#29	Black & Decker	9
#30	Dmg Mori Seiki Co.	9
#31	Kobe Steel	9
#32	Mitsubishi Materials	9
#33	IBM	9
#34	Denso	8
#35	Hobart Brothers	8
#36	Korloy	8
#37	Siemens Aktiengesellschaft	8
#38	Siemens Energy	8
#39	Uacj	8
#40	Victor Equipment	8
#41	Intel	8
#42	Makino Milling Machine Co.	7
#43	Makita	7
#44	Mitsubishi Heavy Industries Machine Tool Co.	7
#45	The Gleason Works	7
#46	Ford	7
#47	Apple	6
#48	Asia Vital Components Co.	6
#49	Citic Dicastal Co.	6
#50	Daihen	6
#51	Fuji Machine Mfg. Co.	6
#52	Jfe Steel	6
#53	Mtu Aero Engines Ag	6
#54	Nsk	6
#55	Okuma	6
#56	Toshiba Kikai	6
#57	Trumpf Werkzeugmaschinen Gmbh + Co. Kg	6
#58	Amada Co.	5
#59	Arcam Ab	5
#60	Citizen Machinery Co.	5
#61	Gleason-Pfauter Maschinenfabrik Gmbh	5
#62	Hamamatsu Photonics K.K.	5
#63	Hamilton Sundstrand	5
#64	Hilti Aktiengesellschaft	5
#65	Irwin Industrial Tool	5
#66	KFUPM	5
#67	Liebherr-Verzahntechnik Gmbh	5
#68	Mitsubishi Hitachi Tool Engineering	5
#69	Murata Manufacturing Co.	5
#70	Origin Electric Company, Limited	5
#71	Roehm Gmbh	5
#72	Sawstop Holding	5
#73	Snecma	5
#74	Subaru	5
#75	The Hillman Group	5
#76	Antaya Technologies	4
#77	Apex Brands	4
#78	Audi Ag	4
#79	Citizen Watch Co.	4
#80	Electro Scientific Industries	4
#81	Esab Ab	4
#82	Fronius International Gmbh	4
#83	Gentex	4
#84	Harima Chemicals, Incorporated	4
#85	Hyundai Motor	4
#86	ITRI	4
#87	Jtekt	4
#88	Mitsubishi Hitachi Power Systems	4
#89	Murata Machinery	4
#90	Ridge Tool	4
#91	Seco Tools Ab	4
#92	Shinkawa	4
#93	Canon	4
#94	Applied Materials	3
#95	Acergy France Sas	3
#96	Aeroprobe	3
#97	Aktiebolaget Skf	3
#98	Alfa Laval Corporate Ab	3
#99	Allied Machine & Engineering	3
#100	Ansaldo Energia Ip Uk Limited	3

Machine tools Patent Leaders in 2018 2018

Patents per Year

Top Inventors

Top Companies