Inventor

James C. W. Chien

Inventor
Amherst, MA, US

Overview

30→
Patents
1976–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 30 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
C10MLubricating compositions8%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%
C08LCompositions of macromolecular compounds6%
H10NElectric solid-state devices not otherwise provided for6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
PatentTitleYear
10,434,315Systems and methods for automatically determining pace and sense configurations for an implantable device20199,163,635'Electric fluid pump'20156,730,818'Ethylene alpha-olefin polymers, process and uses'20046,586,646'Vinylidene-containing polymers and uses thereof'20036,450,354'Structure of a tool box'20026,417,416'Ethylene-alpha-olefin polymers, processes and uses'20026,388,148'Ethylene-alpha-olefin polymers, processes and uses'20026,318,354'Singulation system for a BGA product'20016,271,322'Monocyclopentadienyl transition metal catalyst and olefin polymerization process'20016,262,324'Ethylene-alpha-olefin polymers, processes and uses'20016,262,203'Elastomeric polypropylene and other polyolefin elastomers, metallocene catalyst and method of ion preparation'20016,177,377'Polymer blends and process for preparation'20016,124,513'Ethylene-alpha-olefin polymers, processes and uses'20006,124,400'Semicrystalline polymer alloy and process for preparation'20006,121,377'Process for the production of thermoplastic elastomeric polyolefin alloys, including syndiotactic-atactic polypropylene alloys and isotactic-atactic polypropylene alloys, and catalysts therefore'20005,962,714'Monocyclopentadienyl transition metal catalyst and olefin polymerization process'19995,756,614'Polypropylene and other olefin polymer thermoplastic elastomers, novel catalyst for preparing the same and method of preparation'19985,525,690'Process for the preparation of a polyolefin and syndiotactic polypropylene'19965,352,767'Alpha-olefin/carbon monoxide attenuating copolymers and improved catalyst and method for copolymerizing the same'19945,318,800'Method of forming high temperature thermally stable micron metal oxide coatings on substrates and improved metal oxide coated products'19945,314,988'Thermally stable highly sensitive resists and the like'19945,171,735'Method of forming hollow metal oxide superconductors (MOS) and the like by polymer-metal-complex (PMC) techniques and novel hollow MOS structures produced thereby'19925,089,460'Vanadium catalyst systems for olefin polymerization'19925,024,894'Method of producing silicon and similar wafers buffered for the deposition of metal oxide superconducting (MOS) polymer composites and the like by insulating metal oxides (IMO) suitable as substrates for MOS, and novel buffered wafers provided thereby'19914,931,427'Process for producing metal oxide superconductor-polymer composites and composites thereby formed'19904,897,336'Self-developing radiation sensitive resist with amorphous polymer having haloalkyl substitution derived from cycic ether'19904,693,957'Transition and inner transition metal chelate polymers for high energy resist lithography'19874,278,510'Platable propylene polymer compositions'19814,009,294'Process of preparing fire-retardant natural and synthetic fibers'19773,957,835'Brominated azido fire retardants'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to HERCULES INC (2)· patent assignee history
1976–2002Based in Amherst, MA, US· patent location history
1990–2001Patents assigned to ACADEMY OF APPLIED SCIENCES (10)· patent assignee history
2000–2003Patents assigned to PENNZOIL QUAKER STATE CO (5)· patent assignee history
2001Patents assigned to AMHERST POLYMER TECHNOLOGY INC (1)· patent assignee history
2001–2015Based in Taichung, TW· patent location history
2003Based in Amhurst, MA, US· patent location history
2004Based in Walnut Creek, CA, US· patent location history
2015Patents assigned to CHIEN JAMES (1)· patent assignee history
2019Based in Arcadia, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACADEMY OF APPLIED SCIENCES101990–2001
PENNZOIL QUAKER STATE CO52000–2003
HERCULES INC21976–1977
AMHERST POLYMER TECHNOLOGY INC12001
CHIEN JAMESself12015
Locations
LocationPatentsSpan
Amherst, Massachusetts, US241976–2002
Taichung, TW22001–2015
Arcadia, California, US12019
Walnut Creek, California, US12004
Amhurst, Massachusetts, US12003