JC

Johnson Chen

UC Unitime International Co.: 22 patents #1 of 1Top 100%
PE Pennwalt: 5 patents #25 of 288Top 9%
TSMC: 2 patents #6,667 of 12,232Top 55%
AR Arkema: 1 patents #227 of 443Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
TI Texas Instruments: 1 patents #7,357 of 12,488Top 60%
📍 Lo Wu, PA: #6 of 28 inventorsTop 25%
Overall (All Time): #53,839 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
D486137 AM/FM radio with siren and light 2004-02-03
D486138 Digital FM auto scan radio with alarm clock 2004-02-03
D483347 Wobble alarm clock radio 2003-12-09
D483346 Digital alarm clock radio 2003-12-09
D479833 Wobble radio 2003-09-23
D477585 Motion display radio 2003-07-22
D477306 Radio 2003-07-15
D468288 FM/AM radio 2003-01-07
D467186 Motion display clock 2002-12-17
D467185 Motion display clock 2002-12-17
D461789 Clock radio 2002-08-20
D456383 FM radio 2002-04-30
D455729 Calendar clock radio with alarm and stopwatch 2002-04-16
D453924 Radio 2002-02-26
6238057 Combination light pen 2001-05-29
D437842 Shower radio 2001-02-20
D432516 Shower radio with clock 2000-10-24
6124497 Preparation of alkane sulfonic acids and sulfonyl chlorides by oxidation of alkanethiols and dialkyl disulfides 2000-09-26
5690519 Underwater propulsive device 1997-11-25
5178404 Contraction controller for collapsible type contractible baggage cart 1993-01-12
4678552 Selective electrolytic stripping of metal coatings from base metal substrates 1987-07-07
4513053 Encapsulated phase change thermal energy storage materials and process John L. Eichelberger 1985-04-23
4505953 Method for preparing encapsulated phase change materials John L. Eichelberger 1985-03-19
4504402 Encapsulated phase change thermal energy _storage materials John L. Eichelberger 1985-03-12
4292189 Thermal energy storage composition comprising sodium sulfate decahydrate; sodium carbonate decahydrate; and sodium tetraborate decahydrate 1981-09-29