MI

Megumi Ishikawa

HC Hitachi Koki Co.: 4 patents #273 of 888Top 35%
GH Gree Holdings: 2 patents #131 of 205Top 65%
📍 Hitachinaka, JP: #760 of 2,447 inventorsTop 35%
Overall (All Time): #822,575 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10967275 Puzzle battle game Yusuke Hisaoka, Akinori Adachi 2021-04-06
10328348 Puzzle battle game Yusuke Hisaoka, Akinori Adachi 2019-06-25
9876201 Electric working machine and electric working machine system Shingo Kosugi, Hirohisa Tomita 2018-01-23
D792182 Jig saw Tomoyuki Kawahara, Satoshi Iwata 2017-07-18
D752405 Jig saw 2016-03-29
D740088 Agricultural machine driving apparatus Masanori Okada, Hirohisa Tomita 2015-10-06