KM

Katsuki Manabe

SE Sigma Enterprises: 3 patents #5 of 9Top 60%
SI Sigma: 1 patents #21 of 40Top 55%
Overall (All Time): #1,299,272 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4989873 Roulette playing device 1991-02-05
4906005 Roulette playing device 1990-03-06
4869505 Roulette playing device 1989-09-26
4478407 Monitor game machine 1984-10-23