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CASTLEWOOD SYS INC

Overview
  • Total Patents
    31
About

CASTLEWOOD SYS INC has a total of 31 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology and machines are ISHIKAWA YOSHINORI, DENNIS JAMES T and TIAK CO LTD.

Patent filings per year

Chart showing CASTLEWOOD SYS INCs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Morris Frank 12
#2 Nguyen Long 12
#3 Drouin David 8
#4 Iftikar Syed 7
#5 Guerini Albert 6
#6 Iftikar Syed H 5
#7 Khuu Hong 5
#8 Jackson Stephen R 5
#9 Koka Venkat R 5
#10 Nguyen Vien N 4

Latest patents

Publication Filing date Title
US6353510B2 Disk speed profile method and device
US2001019463A1 Head loading and unloading method and device
US2001012171A1 Power-off method and device for electronic storage apparatus
WO0065588A1 Improved motor and spindle design
WO0058950A1 Removable drive door with seal
EP1078364A1 Disk sweeper method and apparatus
US6188545B1 Moveable disk wiper apparatus and method
US6369970B1 Multiple disk write method and device
WO9926405A2 Sheet metal base for video disk drive
MY123951A Servo-burst gray code pattern.
US6226142B1 Burst pattern for detecting the position of a read/write head relative to a magnetic disk
US6028737A Removable drive cover having flush surface
US5974026A Anti-rattle mechanism for a removable video disk cartridge
US6081407A Cover springs for positioning a removable video disk cartridge
US6125006A Voice coil motor actuated video data cartridge release
US6081400A Power-off method and device for electronic storage apparatus
US6092195A Encryption of defects map
US6191904B1 Data sector timing compensation technique based upon drive eccentricity
US6028736A Location and centering of a digital video cartridge within a disk drive