AY

Akimichi Yokozeki

EA E.I. Du Pont De Nemours And: 3 patents #23 of 718Top 4%
📍 Wilmington, DE: #11 of 274 inventorsTop 5%
🗺 Delaware: #25 of 535 inventorsTop 5%
Overall (1994): #14,898 of 165,921Top 9%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5345013 Safe handling of tetrafluoroethylene David John Van Bramer, Mark Brandon Shiflett 1994-09-06
5284596 Substantially constant boiling compositions of 1,1,1,2-tetra-fluoroethane and dimethyl ether Donald Bernard Bivens 1994-02-08
5277834 Near-azeotropic blends for use as refrigerants Donald Bernard Bivens, Mark Brandon Shiflett 1994-01-11