Top Inventors in Yucaipa, CA | Patent Leaderboard

Yucaipa, CA ranks #4,880 worldwide for total patents filed all time, with 552 patents from 120 inventors. Leading employers of inventors based in Yucaipa, CA include RTX (Raytheon), Avenu Medical, K&N Engineering. That works out to 10.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 120 inventors

Rank	Inventor	Primary Company	Patents
1	Kenneth W. Brown	RTX (Raytheon)	102
2	David K. Wrolstad	Avenu Medical	49
3	Jonathan Richard Fiello	K&N Engineering	32
#4	Helmut Hans	Minebea Co.	24
#5	G. Douglas Hartzheim	Inland Concrete Products	19
#6	W. Randal Clegg	Unitedhealth Group Incorporated	17
#7	Richard Jeff Garcia	Kap Medical	16
#8	Steven R. Wilbur	Inland Concrete Products	14
#9	William F. N. Stephens	Renishaw Plc	12
#10	Darin M. Gritters	RTX (Raytheon)	11
#11	James K. Wilden	Wilden Pump And Engineering	10
#11	Matthew P. Coughlin	Great River Energy	10
#13	James Edward Novacoski	Itt Manufacturing Enterprises	9
#13	Brian Hansen Bogh	Nucor	9
#13	Huagang Zhang	James Hardie Technology Limited	9
#13	Jeff Millar-Sax	Prime Wire & Cable	9
#17	Carl Pegnatori	—	8
#18	John Stephen Doty	Hughes Aircraft	7
#18	Neil A. Ives	The Aerospace	7
#18	Chad Diercks	James Hardie Technology Limited	7
#21	John Hopple	Iconix	5
#22	Kenneth Flanigan	Blackhawk Specialty Tools	4
#22	Ronald Vyhmeister	Intel	4
#22	Robert Bemis	Mid-West Metal Products Company	4
#22	Helmuth Fritz	Sonosite	4
#22	Sam Najjar	Arlon	4
#22	Curtis John Oelrich	—	4
#28	Thomas A. Drake	RTX (Raytheon)	3
#28	John F. Chudy, II	Unknown	3
#28	Eddie Davis	—	3
#28	Scott Wright	—	3
#28	Ken Brown	RTX (Raytheon)	3
#28	Donald J. Webb	ExxonMobil	3
#28	Roy L. Bain	—	3
#28	Gregory R. Guillen	University of California	3
#28	Marc W. Quesada	Rohr	3
#28	Gary Penrod	—	3
#28	Teunis Van Den Berg	Event Medical	3
#39	David E. Howcroft	Unknown	2
#39	Charles Slattery	—	2
#39	Ronald D. Moran	Pitsco	2
#39	Deryck H. Read	University of California	2
#39	Francis McDermott	—	2
#39	Henry Markowicz	—	2
#39	Richard M. Lance	—	2
#39	Matthew Goodson	—	2
#39	Mark Chamberlin	R.T. London	2
#39	Tony Balmforth	—	2
#39	Ryan Cleghorn	—	2
#39	Darryl J. Smith	Emc Ip Holding Company	2

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