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USPTO Patent Rankings Data through Dec 31, 2025
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Yu-Tsai Chen — 14 Patents

AMAmoco: 9 patents #77 of 1,251Top 7%
S(Standard Oil Company (Indiana): 2 patents #142 of 576Top 25%
QCQuanta Computer: 1 patents #690 of 1,295Top 55%
TOThe Standard Oil: 1 patents #291 of 601Top 50%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Yu-Tsai Chen has been granted 14 US patents while listed as an inventor at Amoco. The first was granted in 1980 and the most recent in September 2025. Yu-Tsai Chen ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Yu-Tsai Chen in Taoyuan, IL, TW.

Patents per Year

Patents granted per year, 1980 to 2025Bar chart with a peak of 2 patents in 1986.peak 21980: 1 patents19801984: 1 patents19841985: 1 patents19851986: 2 patents19861989: 1 patents19891993: 2 patents19931994: 2 patents19941997: 2 patents19972021: 1 patents20212025: 1 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12428019 Electronic device for autonomous driving and configuration method thereof Ta-Chuan Chiu 2025-09-30
11020446 Method for preparing tea leaf extract Yung-Han Hung, Pin-Wen Chen 2021-06-01
5643995 Method for improving the processabilty of polyphthalamides M. Jamal El-Hibri, David P. Sinclair 1997-07-01 $167,769,000
5635558 Polyamide-polyarlene sulfide blends David P. Sinclair 1997-06-03 $82,386,000
5288793 Filled molding composition comprising polyamide having terephthalamide and naphthalamide units — 1994-02-22 $29,334,000
5286839 Crystallizable copolyamide having terephthalamide and naphthalamide units — 1994-02-15 $29,414,000
RE34447 Crystalline polyamide composition from dicarboxylic acid mixture and diamine Wassily Poppe, Larry W. Autry, Joel A. Richardson, David P. Sinclair 1993-11-16
5194577 Composition comprising crystallizable polyamide from terephthalic acid, adipic acid, aliphatic diamine and m-xylylene diamine — 1993-03-16 $37,201,000
4863991 Filled composition comprising crystalline copolyamide from terephthalic acid, isophthalic acid and hexamethylene diamine Wassily Poppe, Edward E. Paschke 1989-09-05 $16,415,000
4617342 Crystalline copolyamide from terephthalic acid, isophthalic acid and C.sub. 6 Wassily Poppe, Edward E. Paschke 1986-10-14 $47,552,000
4603166 Crystalline polyamide composition from dicarboxylic acid mixture and diamine Wassily Poppe, Larry W. Autry, Joel A. Richardson, David P. Sinclair 1986-07-29 $41,509,000
4495328 Crystalline copolyamides from terephthalic acid and hexamethylenediamine and trimethylhexamethylenediamine Wassily Poppe, Larry W. Autry 1985-01-22 $16,607,000
4476280 Polyamide compositions from mixtures of trimethylhexamethylene diamine, hexamethylene diamine and diacids Wassily Poppe 1984-10-09 $11,365,000
4224214 Injection molding of amic acid and amide-imide polymers and molding compositions — 1980-09-23 $65,613,000

Frequent Collaborators

Wassily Poppe6 shared
David P. Sinclair4 shared
Larry W. Autry3 shared
Joel A. Richardson2 shared
Edward E. Paschke2 shared
Pin-Wen Chen1 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14