Clocks and watches Patent Leaders

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	Jean-Jacques Born	96	Swatch Group Research And Development
2	Jean-Luc Helfer	82	Eta Sa Manufacture Horlogère Suisse
3	Marc Stranczl	76	Nivarox-Far S.A.
#4	Alain Zaugg	74	Montres Breguet S.A.
#5	Teruhiko Fujisawa	71	Seiko Epson
#6	Pascal Winkler	66	Eta Sa Manufacture Horlogère Suisse
#7	Gianni Di Domenico	64	Swatch Group Research And Development
#8	Thierry Conus	64	Eta Sa Manufacture Horlogère Suisse
#9	Pierre Cusin	61	Nivarox-Far S.A.
#10	Jerome Favre	60	Swatch Group Research And Development
#11	Marco Verardo	51	Nivarox-Far S.A.
#12	Pascal Lagorgette	51	Eta Sa Manufacture Horlogère Suisse
#13	Davide Sarchi	50	Montres Breguet S.A.
#14	Haruki Hiranuma	49	Seiko Instruments
#15	Dominique Lechot	48	Swatch Group Research And Development
#16	Laurent Kaelin	45	Eta Sa Manufacture Horlogère Suisse
#17	Christian Charbon	43	Nivarox-Far S.A.
#18	Colin M. Ely	42	Apple
#19	Thierry Hessler	41	Swatch Group Research And Development
#20	Kenji Ogasawara	39	Seiko Instruments
#21	Michel Willemin	34	Swatch Group Research And Development
#22	Eric Goeller	33	Montres Breguet S.A.
#23	Stephen Forsey	32	Complitime Sa
#24	Raphael Balmer	29	Eta Sa Manufacture Horlogère Suisse
#25	Wolfgang Ganter	29	Junghans Uhren Gmbh
#26	Baptiste Hinaux	28	Swatch Group Research And Development
#27	Ivan Villar	28	Eta Sa Manufacture Horlogère Suisse
#28	Kazumi Sakumoto	28	Seiko Instruments
#29	Mamoru Watanabe	28	Seiko Instruments
#30	Andres Cabezas Jurin	27	Eta Sa Manufacture Horlogère Suisse
#31	Cedric Nicolas	27	Swatch Group Research And Development
#32	Pierpasquale Tortora	27	Swatch Group Research And Development
#33	Akira Takakura	25	Seiko Instruments
#34	Berj A. Terzian	25	Equitime
#35	Jacques Muller	25	Eta Sa Fabriques D'Ebauches
#36	Jean-Claude Martin	24	Swatch Group Research And Development
#37	Kosuke Hasegawa	24	Casio Computer Co.
#38	Masaharu Shida	24	Daini Seikosha
#39	Polychronis Nakis Karapatis	24	Montres Breguet S.A.
#40	Baptist Wyssbrod	23	Eta Sa Manufacture Horlogère Suisse
#41	Fletcher R. Rothkopf	23	Apple
#42	Fukuo Sekiya	23	Citizen Watch Co.
#43	Gregory Kissling	23	Omega Sa
#44	Kosuke Yamamoto	23	Canon
#45	Takashi Kawaguchi	23	Seiko Epson
#46	Toshikazu Akiyama	23	Seiko Epson
#47	Benoit Legeret	22	Montres Breguet S.A.
#48	Edmond Capt	22	Blancpain Sa
#49	Jean-Bernard Peters	22	Eta Sa Manufacture Horlogère Suisse
#50	Katsuyuki Honda	22	Seiko Epson
#51	Nakis Karapatis	22	Montres Breguet S.A.
#52	Raphael Courvoisier	22	Eta Sa Manufacture Horlogère Suisse
#53	Rene Besson	22	Montres Rolex S.A.
#54	Takashi Sano	22	Casio Computer Co.
#55	Tomohiro Ihashi	22	Seiko Instruments
#56	Kazuo Kato	21	Hitachi
#57	Shigeo Suzuki	21	Sumitomo Electric Industries
#58	Francois Gueissaz	20	Swatch Group Research And Development
#59	Joji Kitahara	20	Seiko Epson
#60	Makoto Ueda	20	Daini Seikosha
#61	Paul Gogniat	20	Montres Rado Sa
#62	Takashi Niwa	20	Seiko Instruments
#63	Yuta Saito	20	Casio Computer Co.
#64	Clement Meyrat	19	Swatch Group Management Services Ag
#65	Duncan Robert Kerr	19	Apple
#66	Emmanuel Fleury	19	Eta Sa Manufacture Horlogère Suisse
#67	Gerhard Stotz	19	Timex Group B.V.
#68	Marco Rochat	19	Blancpain Sa
#69	Pierry VUILLE	19	Swatch Group Research And Development
#70	Saburo Manaka	19	Seiko Instruments
#71	Yvan Ferri	19	Swatch Group Research And Development
#72	Yves Winkler	19	Swatch Group Research And Development
#73	Bernat Monferrer	18	Blancpain Sa
#74	Herbert Schwartz	18	Timex
#75	Jun Matsuzaki	18	Seiko Epson
#76	Keishi Honmura	18	Seiko Instruments
#77	Lionel Tombez	18	Melexis Technologies Sa
#78	Marco Bettelini	18	Eta Sa Manufacture Horlogère Suisse
#79	Masuo Ogihara	18	Seiko Koki Kabushiki Kaisha
#80	Michel Plancon	18	Timex
#81	Shigeru Morokawa	18	Citizen Watch Co.
#82	Alphonse Bron	17	Eta Sa Fabriques D'Ebauches
#83	Camille Moussette	17	Apple
#84	John B. Morrell	17	Apple
#85	Julien CHRISTAN	17	Eta Sa Manufacture Horlogère Suisse
#86	Lionel Paratte	17	Swatch Group Research And Development
#87	Masahiro Sase	17	Citizen Watch Co.
#88	Norimitsu Baba	17	Seiko Epson
#89	Nobuhiro Koike	17	Seiko Epson
#90	Pierre-Andre Meister	17	Eta Sa Fabriques D'Ebauches
#91	Robert Greubel	17	Complitime Sa
#92	Takeshi Tokoro	17	Seiko Instruments
#93	Akira Torisawa	16	Canon
#94	David J. Haas	16	Temtec
#95	Denis Rudaz	16	Rolex Sa
#96	Eisaku Shimizu	16	Seiko Epson
#97	Fabien Blondeau	16	Eta Sa Manufacture Horlogère Suisse
#98	Francois Klopfenstein	16	Eta Sa Manufacture Horlogère Suisse
#99	Hideo Abe	16	Kawasaki Steel
#100	Hiroshi Yabe	16	Seiko Epson

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Seiko Epson	559
2	Casio Computer Co.	408
3	Citizen Watch Co.	387
#4	Eta Sa Manufacture Horlogère Suisse	352
#5	Seiko Instruments	337
#6	Swatch Group Research And Development	286
#7	Montres Breguet S.A.	209
#8	Eta Sa Fabriques D'Ebauches	183
#9	Rolex Sa	150
#10	Nivarox-Far S.A.	141
#11	Apple	130
#12	Timex	119
#13	Omega Sa	115
#14	Asulab S.A.	113
#15	Unknown	109
#16	Samsung	107
#17	Suwa Seikosha	88
#18	Blancpain Sa	75
#19	Daini Seikosha	70
#20	Seikosha Co.	66
#21	Sharp Kabushiki Kaisha	54
#22	Sony	47
#23	LG	44
#24	Ebauches, S.A.	41
#25	Montres Rado Sa	41
#26	IBM	41
#27	Richemont International Sa	39
#28	Intel	39
#29	Texas Instruments	39
#30	Rhythm Watch Co.	37
#31	Google	35
#32	Citizen Holdings Co.	33
#33	Timex Group B.V.	33
#34	Swatch Group Management Services Ag	32
#35	Nike	32
#36	Patek Philippe Sa Geneve	29
#37	Societe Suisse Pour L'Industrie Horlogere Management Services	29
#38	Glashütter Uhrenbetrieb Gmbh	27
#39	Motorola	27
#40	Junghans Uhren Gmbh	26
#41	Honeywell	26
#42	Ebauches Electroniques Sa	25
#43	Lvmh Swiss Manufactures Sa	25
#44	Gebruder Junghans Gmbh	24
#45	Meco Sa	22
#46	Nec	22
#47	Equitime	21
#48	Hitachi	21
#49	Montres Rolex S.A.	21
#50	Seiko Instruments & Electronics	21
#51	Qualcomm	21
#52	Csem Centre Suisse D'Electronique Et De Microtechnique Sa—Recherche Et Développement	20
#53	Kabushiki Kaisha Toshiba	20
#54	Seiko Clock	19
#55	Seiko Koki Kabushiki Kaisha	19
#56	Comadur Sa	18
#57	Complitime Sa	18
#58	Sociéte Anonyme De La Manufacture D'Horlogerie Audemars Piquet & Cie	18
#59	Tissot Sa	18
#60	Huawei	18
#61	Panasonic	18
#62	Compagnie Des Montres Longines, Francillon S.A.	17
#63	Vaucher Manufacture Fleurier S.A.	17
#64	Foxconn	16
#65	Lange Uhren Gmbh	16
#66	Manufacture D'Horlogerie Audemars Piguet Sa	16
#67	Smh Management Services Ag	16
#68	Microsoft	16
#69	Diehl Gmbh &	15
#70	Mitsubishi Electric	15
#71	Vision Works Ip	15
#72	Harry Winston Sa	14
#73	Sumitomo Electric Industries	14
#74	TSMC	14
#75	Agilent Technologies	13
#76	HP	13
#77	Montres Jaquet Droz Sa	13
#78	Bulova Watch Co.	12
#79	CEA	12
#80	Fujitsu Limited	12
#81	Fossil Group	11
#82	Pforzheimer Uhrenrohwerke Porta Gmbh	11
#83	The Braun	11
#84	Timex Group Usa	11
#85	Centre Electronique Horloger S.A.	10
#86	Dallas Semiconductor	10
#87	Em Microelectronic-Marin Sa	10
#88	Koniniklijke Philips N.V.	10
#89	Preciflex Sa	10
#90	Quartex, Division Of Primex	10
#91	Research In Motion Limited	10
#92	Siemens Aktiengesellschaft	10
#93	Ericsson	10
#94	U.S. Philips	10
#95	Disney	10
#96	Gfpi Sa	9
#97	Tektronix	9
#98	AT&T	8
#99	Blackberry Limited	8
#100	Denso	8

Clocks and watches Patent Leaders All Time

Patents per Year

Top Inventors

Top Companies