Inventor · North Chelmsford, MA, US

Xian Chen

18Patents
6h-index
25Co-inventors
66Inventor score

Filing activity: May 19, 1995 → Sep 1, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6613509B1 Determination of base (nucleotide) composition in DNA oligomers by mass spectrometry Emerging Cross-Sectional Technologies 100 Expired
US6251599A Stabilized nucleic acid compositions and methods of preparation and use thereof Human Necessities 31 Expired
US5820862A T cell epitopes of the major allergens from dermatophagoides (house dust mite) Chemistry; Metallurgy 25 Expired
US6982326B1 Allergenic proteins and peptides from Japanese cedar pollen Human Necessities 14 Expired
US5968526A T cell epitopes of the major allergens from Dermatophagoides (house dust mite) Chemistry; Metallurgy 9 Expired
US6537813B1 Concurrent flow mixing methods and apparatuses for the preparation of gene therapy vectors and compositions prepared thereby Human Necessities 7 Expired
US6090386A T cell peptides of the CRX JII allergen Human Necessities 6 Expired
US6268491A T cell epitopes of the major allergens from dermatophagoides (house dust mite) Chemistry; Metallurgy 5 Expired
US7288256B1 T cell epitopes of the major allergens from dermatophagoides (house dust mite) Chemistry; Metallurgy 4 Expired
USD838389S1 LED lamp General 4 Active
US7125685B2 Stable isotope, site-specific mass tagging for protein identification Physics 3 Expired
US11129402B2 Inhibited waxy starches and methods of using them Chemistry; Metallurgy 2 Active
USD838870S1 LED lamp General 1 Active
US11896038B2 Inhibited waxy starches and methods of using them Chemistry; Metallurgy 1 Active
US9637543B2 HER3 antibodies and uses thereof Human Necessities 0 Active
US8540999B2 Allergenic proteins and peptides from Japanese cedar pollen Human Necessities 0 Active
US6258567A Preparation of 13C/15N-labeled oligomers using the polymerase chain reaction Chemistry; Metallurgy 0 Expired
US9562010B2 Cross-linking compositions and related methods of isotope tagging of interacting proteins and analysis of protein interactions Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.