Inventor
David Chang
Inventor
Houston, TX, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A23Lprimary
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
LOC1414%
A61KPreparations for medical, dental or toiletry purposes6%
A21DTreatment of flour or dough for baking, e.g. by addition of materials3%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages3%
A23KFodder3%
A45CPurses3%
A61DVeterinary instruments, implements, tools, or methods3%
B29BPreparation or pretreatment of the material to be shaped3%
PatentTitleYear
9,456,673'Fluid sealable protective case for portable electronic devices'20169,209,850'Protective case for controlling sound waves'2015D0744635'Dietary supplement'20158,821,942'Highly compressible, low density ground calcium carbonate granulation and a related method of preparation'2014D0710839'Protective cover'2014D0710345'Protective cover'2014D0706254'Protective case kickstand'20148,486,475'Rice flour compositions'2013D0682815'Case'2013D0681624'Protective cover'2013D0534646'Nutritional supplement tablet'20077,115,283'Preparations for sustained release of nutraceuticals and methods of controllably releasing nutraceuticals'20066,703,065'Fabricated potato chips'20046,277,423'Fried snack, fried snack dough and process for making the same'20016,136,359'Fried snack dough composition and method of preparing a fried snack product'20006,033,707'Fried snack'20006,022,574'Process for making a fried snack product'2000D0401971'Brush stand'19985,602,535'Vehicle security system based on two step communication range between transmitter and receiver'1997D0374542'Snack food'19965,340,509'Process for pelletizing ultra high melt flow crystalline polymers and products therefrom'19944,763,608'Pig holder'19884,620,049'Method and apparatus for controlling polybutene production'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2013Based in Cincinnati, OH, US· patent location history
1988–2016Patents assigned to CHANG DAVID (6)· patent assignee history
1988Based in Kaohsiung, TW· patent location history
1994–2016Based in Houston, TX, US· patent location history
1996–2004Patents assigned to PROCTER & GAMBLE (4)· patent assignee history
1998–2014Patents assigned to CHANG DAVID S (4)· patent assignee history
1998Based in Placentia, CA, US· patent location history
2006–2015Patents assigned to ACCESS BUSINESS GROUP INT LLC (4)· patent assignee history
2006–2015Based in Fullerton, CA, US· patent location history
2013Patents assigned to CHANG DAVID SHANG-JIE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG DAVIDself | 6 | 1988–2016 |
| ACCESS BUSINESS GROUP INT LLC | 4 | 2006–2015 |
| CHANG DAVID Sself | 4 | 1998–2014 |
| PROCTER & GAMBLE | 4 | 1996–2004 |
| CHANG DAVID SHANG-JIEself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 9 | 1994–2016 |
| Cincinnati, OH, US | 8 | 1986–2013 |
| Fullerton, California, US | 4 | 2006–2015 |
| Placentia, California, US | 1 | 1998 |
| Kaohsiung, TW | 1 | 1988 |