Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Howard D. Bartlow — 18 Patents

SPSpectrian: 7 patents #3 of 53Top 6%
FSFairchild Semiconductor: 3 patents #195 of 715Top 30%
MDMicrowave Modules & Devices: 3 patents #1 of 3Top 35%
CMCree Microwave: 2 patents #12 of 20Top 60%
TSTriquint Semiconductor: 2 patents #53 of 243Top 25%
Sunnyvale, CA: #1,458 of 14,302 inventorsTop 15%
California: #33,102 of 386,348 inventorsTop 9%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Howard D. Bartlow has been granted 18 US patents while listed as an inventor at Spectrian. The first was granted in 1990 and the most recent in February 2013. Howard D. Bartlow ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Howard D. Bartlow in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 1990 to 2013Bar chart with a peak of 2 patents in 1991.peak 21990: 1 patents19901991: 2 patents1994: 2 patents19941995: 1 patents1998: 2 patents19981999: 2 patents2001: 1 patents20012003: 2 patents2006: 1 patents20062009: 1 patents2011: 1 patents20112012: 1 patents2013: 1 patents2013

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8384228 Package including wires contacting lead frame edge William McCalpin, Binh K. Le 2013-02-26 $3,742,000
8288845 Package including proximately-positioned lead frame William McCalpin, Michael Lincoln 2012-10-16 $9,708,000
RE42423 Contact method for thin silicon carbide epitaxial layer and semiconductor devices formed by those methods Martin Kordesch, Richard L. Woodin 2011-06-07
7638820 Contact method for thin silicon carbide epitaxial layer and semiconductor devices formed by those methods Martin Kordesch, Richard L. Woodin 2009-12-29 $5,474,000
7132701 Contact method for thin silicon carbide epitaxial layer and semiconductor devices formed by those methods Martin Kordesch, Richard L. Woodin 2006-11-07 $5,056,000
6548869 Voltage limiting protection for high frequency power device Kenneth P. Brewer, Johan Darmawan 2003-04-15 $8,290,000
6525423 Semiconductor device package and method of die attach 2003-02-25 $21,455,000
6297700 RF power transistor having cascaded cells with phase matching between cells John F. Sevic, Christopher Knorr, James R. Parker 2001-10-02
5949649 High power semiconductor device having bolt-down ceramic platform 1999-09-07 $2,406,000
5898198 RF power device having voltage controlled linearity Francois Herbert, James R. Parker, Daniel Ng 1999-04-27 $1,029,000
5825088 Low thermal resistance semiconductor package and mounting structure 1998-10-20 $807,000
5825089 Low thermal resistance spring biased RF semiconductor package mounting structure Gregory Valenti, David Sam Piazza 1998-10-20 $807,000
5414296 Venetian blind cell layout for RF power transistor 1995-05-09 $2,822,000
5338974 RF power transistor package David S. Wisherd 1994-08-16
5329156 Feed bus for RF power transistors 1994-07-12
5027082 Solid state RF power amplifier having improved efficiency and reduced distortion David S. Wisherd, Pablo E. D'Anna 1991-06-25
5023189 Method of thermal balancing RF power transistor array 1991-06-11
4971929 Method of making RF transistor employing dual metallization with self-aligned first metal Pablo E. D'Anna 1990-11-20