Inventor
A. David Johnson
Inventor
San Leandro, CA, US
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Fprimary
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys11%
C22CAlloys11%
C30BSingle-crystal growth8%
Y10TTechnical subjects covered by former us classification7%
A61LMethods or apparatus for sterilising materials or objects in general6%
A61FFilters implantable into blood vessels6%
C23CCoating metallic material4%
A61CDentistry4%
F16KValves4%
B22DCasting of metals3%
PatentTitleYear
10,864,096Three-dimensional thin-film nitinol devices202010,610,620Method and devices for preventing restenosis in cardiovascular stents202010,561,477Hyperelastic shape setting devices and fabrication methods202010,190,199Method of alloying reactive components201910,154,890Shape setting a shape memory alloy dental arch201810,124,197Fire sprinkler valve actuator20189,539,372'Biocompatible copper-based single-crystal shape memory alloys'20179,340,858'Method of alloying reactive components'20169,328,406'Shape setting a shape memory alloy dental arch'20169,127,338'Hyperelastic shape setting devices and fabrication methods'20158,685,183'Method of alloying reactive components'20148,685,184'Shape setting a shape memory alloy dental arch'20148,684,101'Frangible shape memory alloy fire sprinkler valve actuator'20148,584,767'Sprinkler valve with active actuation'20138,556,969'Biocompatible copper-based single-crystal shape memory alloys'20138,506,767'Thin-film shape memory alloy device and method'20138,382,917'Hyperelastic shape setting devices and fabrication methods'20138,349,099'Method of alloying reactive components'20138,007,674'Method and devices for preventing restenosis in cardiovascular stents'20117,842,143'Hyperelastic shape setting devices and fabrication methods'20107,763,342'Tear-resistant thin film methods of fabrication'20107,632,361'Single crystal shape memory alloy devices and methods'20097,544,257'Single crystal shape memory alloy devices and methods'20097,540,899'Shape memory alloy thin film, method of fabrication, and articles of manufacture'20097,441,888'Eyeglass frame'20087,422,403'Non-explosive releasable coupling device'20087,040,323'Thin film intrauterine device'20066,955,187'Zinc-air battery control valve'20056,790,298'Method of fabrication of free standing shape memory alloy thin film'20046,746,890'Three dimensional thin film devices and methods of fabrication'20046,742,761'Miniature latching valve'20046,729,599'Liquid microvalve'20046,669,795'Methods of fabricating high transition temperature SMA, and SMA materials made by the methods'20036,624,730'Thin film shape memory alloy actuated microrelay'20036,620,634'Method of accurately measuring compositions of thin film shape memory alloys'20036,614,570'Shutter for fiber optic systems'20036,533,905'Method for sputtering tini shape-memory alloys'20036,470,108'Optical switching device and method'20025,960,812'Fluid flow control valve'19995,903,099'Fabrication system, method and apparatus for microelectromechanical devices'19995,325,880'Shape memory alloy film actuated microvalve'19945,245,738'Method for securing together and non-explosively separating multiple components'19935,165,897'Programmable tactile stimulator array system and method of operation'19925,119,555'Non-explosive separation device'19924,965,545'Shape memory alloy rotary actuator'19904,435,229'Method of preparing a two-way shape memory alloy'19844,064,412'Cathode ray tube base'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Based in Seneca Falls, NY, US· patent location history
1984–1992Based in Oakland, CA, US· patent location history
1990–2014Patents assigned to TINI ALLOY CO (29)· patent assignee history
1992–2020Based in Berkeley, CA, US· patent location history
1994–2020Based in San Leandro, CA, US· patent location history
2013–2019Patents assigned to ORMCO CORP (11)· patent assignee history
2013–2020Patents assigned to JOHNSON ALFRED DAVID (8)· patent assignee history
2013–2014Patents assigned to GILBERTSON ROGER GRAHAM (2)· patent assignee history
2013–2014Patents assigned to MARTYNOV VALERY (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TINI ALLOY CO | 29 | 1990–2014 |
| ORMCO CORP | 11 | 2013–2019 |
| JOHNSON ALFRED DAVIDself | 8 | 2013–2020 |
| GILBERTSON ROGER GRAHAM | 2 | 2013–2014 |
| MARTYNOV VALERY | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Leandro, California, US | 35 | 1994–2020 |
| Berkeley, California, US | 8 | 1992–2020 |
| Oakland, California, US | 3 | 1984–1992 |
| Seneca Falls, New York, US | 1 | 1977 |