1
John A Futhey, Michael J Simpson: Multifocal diffractive ophthalmic lenses. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Stephen W Buckingham, July 20, 1993: US05229797 (193 worldwide citation)

A lens according to the invention has diffractive power and two primary foci, where one focus is associated with the first diffractive order and one with the second diffractive order.


2
Chun Shen Lee, Michael J Simpson: Diffractive multifocal ophthalmic lens. Alcon Laboratories, Jeffrey S Schira, December 16, 1997: US05699142 (125 worldwide citation)

A diffractive, multifocal ophthalmic lens including an apodization zone with echelettes having a smoothly reduced step height to shift the energy balance from the near image to the distant image and thus reduce the glare perceived when viewing a discrete, distant light source.


3
John A Futhey, William B Isaacson, Michael J Simpson: Multi-focal diffractive ophthalmic lenses. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Stephen W Buckingham, July 14, 1992: US05129718 (81 worldwide citation)

An ophthalmic lens exhibiting diffractive power has a plurality of diffractive zones and smooth surfaces. The zones are arranged such that R.sub.0.sup.2 does not equal R.sub.1.sup.2 -R.sub.0.sup.2 where R.sub.0 is the radius of the central zone and R.sub.1 is the radius of the first annular zone.


4
Michael J Simpson, John A Futhey: Multi-focal diffractive ophthalmic lenses. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Stephen W Buckingham, December 31, 1991: US05076684 (76 worldwide citation)

A multifocal ophthalmic lens has diffractive power produced by a plurality of concentric zones. The zones have radii that meet the condition R.sub.0.sup.2


5
Michael J Simpson, John A Futhey: Multi-focal diffractive ophthalmic lenses. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Stephen W Buckingham, May 26, 1992: US05116111 (72 worldwide citation)

A multifocal ophthalmic lens has diffractive power produced by a plurality of concentric zones. The zones have radii that meet the condition


6
Robert P Simpson, Michael J Simpson, William S Perrello: Computerized docketing system for intellectual property law with automatic due date alert. LegalStar, Simpson & Simpson PLLC, April 15, 2003: US06549894 (60 worldwide citation)

A computerized docketing system for legal matters, comprising a database operatively arranged to store information related to the legal matters, including actions to be taken with respect to the legal matters, and due dates associated with the actions to be taken, an arithmetic logic unit operativel ...


7
Michael J Simpson, Daniel R Carson: Aspheric lenses. Alcon, Jeffrey S Schira, August 2, 2005: US06923539 (43 worldwide citation)

The present invention provides monofocal ophthalmic lenses that exhibit extended depth of field while providing sufficient contrast for resolution of an image over a selected range of defocus distances. In some embodiments, a lens of the invention can include a refractive surface having controlled s ...


8
Xin Hong, Jihong Xie, Stephen J Van Noy, Dan Stanley, Mutlu Karakelle, Xiaoxiao Zhang, Michael J Simpson: Intraocular lens. Alcon, Jeffrey S Schira, April 1, 2008: US07350916 (41 worldwide citation)

In one aspect, the present invention provide an ophthalmic lens (e.g., an IOL) that includes an optic having an anterior optical surface and a posterior optical surface, where the optic provides an optical power in a range of about 16 D to about 25 D as measured in a medium having an index of refrac ...


9
Charles Freeman, Mutlu Karakelle, Michael J Simpson: Toric intraocular lens material. Alcon Manufacturing, Patrick M Ryan, December 10, 2002: US06491721 (38 worldwide citation)

A method of selecting an intraocular lens material for toric lenses is disclosed. The method comprises determining the tack of the material.


10
Eyal Shlomot, Michael J Simpson, Qiang Ye: Timing recovery scheme for packet speech in multiplexing environment of voice with data applications. Rockwell International Corporation, William C Cray, Philip K Yu, December 16, 1997: US05699481 (32 worldwide citation)

Multiple speech bit-stream frame buffers are used between the controller and the speech decoder. Whenever excessive or missing speech packages are detected, the speech decoder switches to a special corrective mode. If there is too much, the buffered frames are played out fast; if there is too little ...