Machine tools Patent Leaders 2019

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	Blair E. Carlson	11	General Motors
2	David R. Sigler	11	General Motors
3	Bruce Patrick Albrecht	8	Illinois Tool Works
#4	Huiying Liu	8	Citic Dicastal Co.
#5	Ryuichi Saji	8	Tungaloy
#6	Steven R. Peters	8	Lincoln Global
#7	William T. Matthews	8	Lincoln Global
#8	Hiroshi Ohno	7	Kabushiki Kaisha Toshiba
#9	Junji Fujiwara	7	Panasonic
#10	Robert Wuerfel	7	Liebherr-Verzahntechnik Gmbh
#11	Atsuhiro Kawamoto	6	Panasonic
#12	Gil Hecht	6	Iscar
#13	Jeremy Rubens	6	Robert Bosch Gmbh
#14	Jiandong Guo	6	Citic Dicastal Co.
#15	Kaoru Hiraga	6	Fanuc
#16	Michael J. Karagoulis	6	General Motors
#17	Srikanth Chandrudu Kottilingam	6	GE
#18	Takahiro Izumi	6	Kobe Steel
#19	William Joshua Becker	6	Illinois Tool Works
#20	Young Heum Kim	6	Korloy
#21	Yongwang Zhao	6	Citic Dicastal Co.
#22	Akihiro Ide	5	Daihen
#23	Akiyoshi Kawahara	5	Fanuc
#24	Antonio Menonna	5	Mahle International Gmbh
#25	Benyamin Buller	5	Velo3D
#26	Christopher Hsu	5	Illinois Tool Works
#27	Eric Laliberte	5	Robert Bosch Gmbh
#28	Franz Haimer	5	Franz Haimer Maschinenbau Kg
#29	Judah B. Henry	5	Lincoln Global
#30	Kenji Yamaguchi	5	Mitsubishi Materials
#31	Lance David Brunetto	5	Kennametal
#32	Marc Lee Denis	5	Illinois Tool Works
#33	Masahiko Kuroda	5	Kyocera
#34	Noriyuki Matsuoka	5	Yamaichi Electronics Co.
#35	Peter N. Russell-Clarke	5	Apple
#36	Plamen V. Marinov	5	Robert Bosch Gmbh
#37	Robert S. Doumani	5	Robert Bosch Gmbh
#38	Rueben Joseph Mendelsberg	5	Velo3D
#39	Tasso Lappas	5	Velo3D
#40	Timothy Szweda	5	Robert Bosch Gmbh
#41	Xiao Liu	5	Citic Dicastal Co.
#42	Yan Cui	5	GE
#43	Yasuo Hasegawa	5	Fanuc
#44	Yasushi Mukai	5	Panasonic
#45	Yuki Oikawa	5	Tungaloy
#46	Anongsack Paseuth	4	Sumitomo Electric Hardmetal
#47	Anthony Van Bergen Salsich	4	Illinois Tool Works
#48	Andrew J. Schulz	4	Milwaukee Electric Tool
#49	Andrew Lee Trimmer	4	GE
#50	Austin J. Kazda	4	Milwaukee Electric Tool
#51	Bruce J. Chantry	4	Lincoln Global
#52	Brian Lee Tollison	4	GE
#53	Craig Steven Knoener	4	Illinois Tool Works
#54	Daniel Cavanaugh	4	Caterpillar
#55	David Yang	4	General Motors
#56	Edward G. Beistle	4	Illinois Tool Works
#57	Frank Schmauder	4	Trumpf Werkzeugmaschinen Gmbh + Co. Kg
#58	Gaku Isobe	4	Fanuc
#59	Gershon Harif	4	No Screw
#60	Hiroshi Ogawa	4	Fujitsu Limited
#61	Hyo San Kim	4	Korloy
#62	Jeffrey L. Kachline	4	Lincoln Global
#63	Kenneth R. Pierce	4	Illinois Tool Works
#64	Kenta Yamamoto	4	Fanuc
#65	Ki Chan Nam	4	Korloy
#66	Kimon Symeonidis	4	Velo3D
#67	Magnus Deiss	4	Trumpf Werkzeugmaschinen Gmbh + Co. Kg
#68	Masahiro Yamamoto	4	Mitsubishi Electric
#69	Michael W. Gearhart	4	Illinois Tool Works
#70	Mitsuo Sasaki	4	Unisia Jecs
#71	Naoto Sonoda	4	Fanuc
#72	Nicholas James Dessart	4	Illinois Tool Works
#73	Per-Mikael Aberg	4	Esab Ab
#74	Phillip Gerlings	4	The Hillman Group
#75	Richard Martin Hutchison	4	Illinois Tool Works
#76	Rinsei Ikeda	4	Jfe Steel
#77	Robert W. Butzen	4	Milwaukee Electric Tool
#78	Satoru Kukino	4	Sumitomo Electric Hardmetal
#79	Satoru Yoshida	4	Ricoh Company
#80	Shouta Irie	4	Fanuc
#81	Shimpei Kimura	4	Kobe Steel
#82	Shigefumi Suzuyama	4	Fuji
#83	Sho TATSUOKA	4	Mitsubishi Materials
#84	Shunsaku Yoshikawa	4	Senju Metal Industry Co.
#85	Stephen R. Cole	4	Lincoln Global
#86	Troy C. Thorson	4	Milwaukee Electric Tool
#87	Weidong Liu	4	Citic Dicastal Co.
#88	Yasuyuki Kanada	4	Sumitomo Electric Hardmetal
#89	Yasuo Nakashima	4	Fanuc
#90	Yao Zheng	4	Citic Dicastal Co.
#91	Yuji Sasaki	4	Sony
#92	Zachary Ryan Murphree	4	Halliburton Energy Services
#93	Adam M. Hruska	3	Lincoln Global
#94	Alan J. Bookheimer	3	Kennametal
#95	Alfred Geissler	3	Deckel Maho Pfronten Gmbh
#96	Alexander S. Giberman	3	Illinois Tool Works
#97	Alexander Goncharov	3	Western Digital Technologies
#98	Anthony Wright	3	Glowforge
#99	Aurelien Pic	3	Arcelormittal France
#100	Bernd Thommes	3	Arcelormittal France

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Fanuc	104
2	Illinois Tool Works	79
3	Robert Bosch Gmbh	49
#4	GE	41
#5	Lincoln Global	40
#6	Kennametal	36
#7	Kyocera	35
#8	The Boeing	35
#9	General Motors	31
#10	RTX (Raytheon)	27
#11	Robert Bosch Tool	25
#12	Tungaloy	24
#13	Citic Dicastal Co.	23
#14	Toyota	22
#15	Iscar	20
#16	Mitsubishi Materials	19
#17	Sandvik Intellectual Property Ab	19
#18	Black & Decker	18
#19	Kobe Steel	18
#20	Mitsubishi Electric	18
#21	Rolls-Royce Plc	18
#22	Senju Metal Industry Co.	17
#23	Milwaukee Electric Tool	16
#24	Makita	15
#25	Honda Motor Co.	14
#26	Panasonic	14
#27	Sumitomo Electric Hardmetal	13
#28	Fuji	12
#29	Hilti Aktiengesellschaft	12
#30	Disco	11
#31	Esab Ab	11
#32	Trumpf Werkzeugmaschinen Gmbh + Co. Kg	11
#33	Caterpillar	11
#34	Apple	10
#35	Amada Co.	10
#36	Dmg Mori Co.	10
#37	Hyundai Motor	10
#38	Liebherr-Verzahntechnik Gmbh	10
#39	Makino Milling Machine Co.	10
#40	Mitsubishi Heavy Industries Machine Tool Co.	10
#41	IBM	10
#42	Jfe Steel	9
#43	Safran Aircraft Engines	9
#44	Sumitomo Electric Industries	9
#45	Unknown	9
#46	Ford	9
#47	Daihen	8
#48	Deckel Maho Pfronten Gmbh	8
#49	Kabushiki Kaisha Toshiba	8
#50	Kawasaki	8
#51	Mahle International Gmbh	8
#52	Citizen Watch Co.	7
#53	Hypertherm	7
#54	ITRI	7
#55	Ipg Photonics	7
#56	Korloy	7
#57	Mitsubishi Hitachi Tool Engineering	7
#58	Nippon Steel	7
#59	Nlight	7
#60	Okuma	7
#61	Siemens Aktiengesellschaft	7
#62	LG	7
#63	Citizen Machinery Co.	6
#64	Corning Incorporated	6
#65	Electro Scientific Industries	6
#66	Jtekt	6
#67	Magna International	6
#68	Posco Co.	6
#69	The Hillman Group	6
#70	Audi Ag	5
#71	BMW	5
#72	Hitachi	5
#73	Jiangsu University	5
#74	Koki Holdings Co.	5
#75	Mtu Aero Engines Ag	5
#76	Nsk	5
#77	Siemens Energy	5
#78	The Gleason Works	5
#79	Trumpf Laser- Und Systemtechnik Gmbh	5
#80	Tti (Macao Commercial Offshore) Limited	5
#81	Velo3D	5
#82	Intel	5
#83	Samsung	5
#84	Applied Materials	4
#85	Airbus Operations Limited	4
#86	Airbus Operations Sas	4
#87	Aktiebolaget Skf	4
#88	Denso	4
#89	Fronius International Gmbh	4
#90	Harima Chemicals, Incorporated	4
#91	Ihi	4
#92	Jpw Industries	4
#93	Kia Motors	4
#94	Klingelnberg Gmbh	4
#95	Komatsu	4
#96	Messer Cutting Systems Gmbh	4
#97	Nippon Light Metal Company	4
#98	Nippon Steel & Sumitomo Metal	4
#99	Nissan Motor Co.	4
#100	Osg	4

Machine tools Patent Leaders in 2019 2019

Patents per Year

Top Inventors

Top Companies