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USPTO Patent Rankings Data through Dec 31, 2025
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Erich P. Valstyn — 9 Patents

RRRead Rite: 6 patents #35 of 255Top 15%
CTComputer & Communications Technology: 3 patents #1 of 8Top 15%
MPMagnetic Peripherals: 1 patents #58 of 149Top 40%
Lompoc, CA: #288 of 2,245 inventorsTop 15%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Erich P. Valstyn has been granted 9 US patents while listed as an inventor at Read Rite. The first was granted in 1983 and the most recent in June 2000. Erich P. Valstyn ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Erich P. Valstyn in Lompoc, CA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6078479 Magnetic tape head with flux sensing element Daniel A. Nepela, Derek J. Kroes 2000-06-20 $2,822,000
5917680 Magnetoresistive head with magnetic bias level control Charles R. Bond, Daniel A. Nepela 1999-06-29 $6,968,000
5452168 Thin film magnetic heads with multiple yokes Daniel A. Nepela, Shih-Cheng Cheng, Edgar M. Williams, Peter G. Bischoff 1995-09-19 $20,600,000
5436779 Integrated yoke magnetoresistive transducer with magnetic shunt 1995-07-25 $20,835,000
5309305 Dual element magnetoresistive sensing head Daniel A. Nepela 1994-05-03 $6,899,000
5255141 Read-write magnetic head with flux sensing read element Daniel A. Nepela 1993-10-19 $1,806,000
4841625 Automatic throat height control for film head 1989-06-27
4511942 Automatic throat height control for film heads 1985-04-16
4371905 High resolution hall effect read head G. Vinson Kelley 1983-02-01