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SIGMA INC

Overview
  • Total Patents
    47
  • GoodIP Patent Rank
    216,752
About

SIGMA INC has a total of 47 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States, Australia and EPO (European Patent Office). Its main competitors in its focus markets control, furniture and games and machines are Suzhou baiyuan software design co ltd, SMITH RAY and KARAWAY GAMING INC.

Patent filings per year

Chart showing SIGMA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakamura Kikuo 8
#2 Nagao Yuji 8
#3 Hagiwara Takashi 7
#4 Morichi Kazuo 6
#5 Matsumoto Kazuyoshi 4
#6 Moritsu Takanao 3
#7 Tatesaka Hiroyuki 3
#8 Suzuki Hirokazu 3
#9 Kinoshita Yoshihiro 3
#10 Haijima Yu 2

Latest patents

Publication Filing date Title
WO2015037429A1 Tool path generation device, tool path generation method, program for delivering function as tool path generation device, and memory medium for recording program
WO2004038522A1 Cad sysetm, program for running the system, and recording medium having the program recorded therein
WO2004038523A1 Cad system, program for executing same, and record medium where the program is recorded
WO9962604A1 Gaming machine
US5618233A Running body and racing game apparatus using the same
US5382021A Horse racing game having rotating arm and tethered members
US5580055A Amusement device and selectively enhanced display for the same
US5209479A Clot machine
US5192076A Keno game playing apparatus
US5050881A Slot machine
NZ235320A Fruit machine: win by character substitution adjusts payout.