Bart Johnson — 12 Patents at Johnson & Johnson

Bart Johnson has been granted 12 US patents while listed as an inventor at Johnson & Johnson. The first was granted in 2008 and the most recent in November 2025. Bart Johnson ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Bart Johnson in Seattle, WA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12460032	Compositions with high refractive index and Abbe number	Azaam Alli, Scott L. Joslin, Ghulam Maharvi	2025-11-04
12071497	High refractive index, high Abbe compositions	Azaam Alli, Scott L. Joslin	2024-08-27
11958923	Compositions with high refractive index and abbe number	Azaam Alli, Scott L. Joslin, Ghulam Maharvi	2024-04-16
11795252	Compositions with high refractive index and Abbe number	Azaam Alli, Stephen C. Arnold, Scott L. Joslin	2023-10-24
11708440	High refractive index, high Abbe compositions	Azaam Alli, Scott L. Joslin	2023-07-25
11667742	Compositions with high refractive index and Abbe number	Azaam Alli, Scott L. Joslin, Ghulam Maharvi	2023-06-06
9504537	Intra-oral device for protecting oral tissues during radiation treatment	Amy Winston	2016-11-29
8276768	Magnetic knife guard device	—	2012-10-02
7809280	Chirp-managed, electroabsorption-modulated laser	Daniel Mahgerefteh, Yasuhiro Matsui, Xueyan Zheng, Duncan Walker, Parviz Tayebati	2010-10-05	$2,842,000
7555225	Optical system comprising an FM source and a spectral reshaping element	Daniel Mahgerefteh, Yasuhiro Matsui, Xueyan Zheng, Duncan Walker, Parviz Tayebati	2009-06-30	$3,224,000
7505694	Thermal chirp compensation systems for a chirp managed directly modulated laser (CML™) data link	Daniel Mahgerefteh, Kevin J. McCallion, Zhencan (Frank) Fan, David Piede, Parviz Tayebati	2009-03-17	$372,000
7406267	Method and apparatus for transmitting a signal using thermal chirp management of a directly modulated transmitter	Daniel Mahgerefteh, Roeland Nuyts, Yasuhiro Matsui, Parviz Tayebati, Duncan Walker +1 more	2008-07-29	$2,225,000

Bart Johnson — 12 Patents

Issued Patents All Time

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