nAo's last thread searched Cell-related patent applications by Hofstee and Dr. Sang H. Dhong and here's other recent PS3-related patent apps. (Some are a bit older, but it seems they are not yet posted here)
Cell
20040260746: Microprocessor having bandwidth management for computing applications and related method of managing bandwidth allocation
20040255084: Shadow register to enhance lock acquisition
20040143691: Sender to receiver request retry method and apparatus
20040267767: Method and apparatus for implementing data mapping with shuffle algorithm
20040264093: Thermal sensing method and system
20040233600: Thermal sensing circuits using bandgap voltage reference generators without trimming circuitry
20040263146: PLL manufacturing test apparatus
20040155688: Pulse generating circuit
20040261048: Wire trimmed programmable logic array
P2P decentralized network
20040260799: System and method for managing performance between multiple peers in a peer-to-peer environment
20040255027: Virtual/real world dynamic intercommunication methods and systems
20040249972: System and method for notification within decentralized network
20040249888: Command and control of arbitrary resources in a peer-to-peer network
20040246921: Method and system for persisting content in decentralized network
Alternative input method
20040207597: Method and apparatus for light input device
Cell
20040260746: Microprocessor having bandwidth management for computing applications and related method of managing bandwidth allocation
20040255084: Shadow register to enhance lock acquisition
20040143691: Sender to receiver request retry method and apparatus
20040267767: Method and apparatus for implementing data mapping with shuffle algorithm
20040264093: Thermal sensing method and system
20040233600: Thermal sensing circuits using bandgap voltage reference generators without trimming circuitry
20040263146: PLL manufacturing test apparatus
20040155688: Pulse generating circuit
20040261048: Wire trimmed programmable logic array
P2P decentralized network
20040260799: System and method for managing performance between multiple peers in a peer-to-peer environment
20040255027: Virtual/real world dynamic intercommunication methods and systems
20040249972: System and method for notification within decentralized network
20040249888: Command and control of arbitrary resources in a peer-to-peer network
20040246921: Method and system for persisting content in decentralized network
Alternative input method
20040207597: Method and apparatus for light input device