| Patent application number | Description | Published |
| 20080290386 | Floating gate memory device with increased coupling coefficient - Methods and apparatus for increasing the coupling coefficient of a floating gate memory device includes an MOS capacitors with self-aligning gate structures that provide increased capacitance per unit area over conventional MOS capacitors. | 11-27-2008 |
| 20080298132 | Sense transistor protection for memory programming - A method and apparatus for protecting a sense transistor in a sense amplifier during memory programming and erase operations, and for increasing the coupling efficiency of the memory device during the programming and erase operations. | 12-04-2008 |
| 20090080260 | Programmable CSONOS logic element - A complementary SONOS-type (CSONOS) logic device is programmed and erased with a common voltage. The CSONOS device retains data integrity over extended read endurance cycles. | 03-26-2009 |
| 20090179253 | Oxide-nitride-oxide stack having multiple oxynitride layers - A semiconductor device including an oxide-nitride-oxide (ONO) structure having a multi-layer charge storing layer and methods of forming the same are provided. Generally, the method involves: (i) forming a first oxide layer of the ONO structure; (ii) forming a multi-layer charge storing layer comprising nitride on a surface of the first oxide layer; and (iii) forming a second oxide layer of the ONO structure on a surface of the multi-layer charge storing layer. Preferably, the charge storing layer comprises at least two silicon oxynitride layers having differing stoichiometric compositions of Oxygen, Nitrogen and/or Silicon. More preferably, the ONO structure is part of a silicon-oxide-nitride-oxide-silicon (SONOS) structure and the semiconductor device is a SONOS memory transistor. Other embodiments are also disclosed. | 07-16-2009 |
| 20100074028 | Memory Architecture Having Two Independently Controlled Voltage Pumps - In embodiments described herein, a memory architecture has an array of non-volatile memory cells and a pair of independently controlled voltage pumps. The pair of voltage pumps is coupled for supplying both positive and negative voltage biases to the memory array during program and erase operations, such that a sum of the magnitudes of the positive and negative voltage biases is applied across a storage node of an accessed memory cell. | 03-25-2010 |
| Patent application number | Description | Published |
| 20080248539 | COMPOSITIONS AND METHODS FOR PRODUCING STEREOISOMERICALLY PURE STATINS AND SYNTHETIC INTERMEDIATES THEREFOR - The present disclosure provides ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme. Also provided are polynucleotides encoding the engineered ketoreductase enzymes, host cells capable of expressing the engineered ketoreductase enzymes, method of using the engineered ketoreductase enzymes to synthesize a variety of chirally pure compounds, and the chirally pure compounds prepared therewith. | 10-09-2008 |
| 20090093031 | Ketoreductase Polypeptides for the Production of (R)-3-Hydroxythiolane - The present disclosure provides engineered ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme. Also provided are polynucleotides encoding the engineered ketoreductase enzymes, host cells capable of expressing the engineered ketoreductase enzymes, and methods of using the engineered ketoreductase enzymes to synthesize chiral compounds. | 04-09-2009 |
| 20090191605 | Ketoreductase Polypeptides for the Reduction of Acetophenones - The present disclosure provides engineered ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme. Also provided are polynucleotides encoding the engineered ketoreductase enzymes, host cells capable of expressing the engineered ketoreductase enzymes, and methods of using the engineered ketoreductase enzymes to synthesize a variety of chiral compounds. | 07-30-2009 |
| 20100028972 | KETOREDUCTASE POLYPEPTIDES AND RELATED POLYNUCLEOTIDES - The present invention is directed to variant polypeptides having enhanced ketoreductase activity and/or thermostability for use in the stereospecific reduction of ketones. In addition, the present invention is directed to polynucleotides that encode the ketoreductase polypeptides, including codon optimized versions of the polynucleotides which provide for enhanced expression in host cells. In another aspect, the present invention is directed to nucleotide constructs, vectors and host cells that are transformed with polynucleotides of the present invention. | 02-04-2010 |
| 20100304459 | GLUCOSE DEHYDROGENASE POLYPEPTIDES AND RELATED POLYNUCLEOTIDES - The present invention is directed to glucose dehydrogenase (GDH) polypeptides that have enhanced GDH activity and/or thermostability relative to the backbone wild-type glucose dehydrogenase polypeptide. In addition, the present invention is directed to a polynucleotide that encodes for the GDH polypeptides of the present invention, to nucleic acid sequences comprising the polynucleotides, to expression vectors comprising the polynucleotides operatively linked to a promoter, to host cells transformed to express the GDH polypeptides, and to a method for producing the GDH polypeptides of the present invention. | 12-02-2010 |
| 20110195465 | Compositions and Methods for Producing Stereoisomerically Pure Statins and Synthetic Intermediates Therefor - The present disclosure provides ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme. Also provided are polynucleotides encoding the engineered ketoreductase enzymes, host cells capable of expressing the engineered ketoreductase enzymes, method of using the engineered ketoreductase enzymes to synthesize a variety of chirally pure compounds, and the chirally pure compounds prepared therewith. | 08-11-2011 |
| 20110217754 | KETOREDUCTASE POLYPEPTIDES FOR THE PRODUCTION OF (R)-3-HYDROXYTHIOLANE - The present disclosure provides engineered ketoreductase enzymes having improved properties as compared to a naturally occurring wild-type ketoreductase enzyme. Also provided are polynucleotides encoding the engineered ketoreductase enzymes, host cells capable of expressing the engineered ketoreductase enzymes, and methods of using the engineered ketoreductase enzymes to synthesize chiral compounds. | 09-08-2011 |