KK

Koji Kawashima

SI Sumitomo Heavy Industries: 9 patents #31 of 917Top 4%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
SO Sony: 4 patents #8,966 of 25,231Top 40%
SC Sumitomo Construction Machinery Co.: 2 patents #31 of 89Top 35%
NE Ntt Electronics: 2 patents #99 of 358Top 30%
SC Shanghai Tianma Micro-Electronics Co.: 1 patents #254 of 417Top 65%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
NA Namco: 1 patents #89 of 269Top 35%
TC Teijin Seiki Co.: 1 patents #75 of 143Top 55%
NG Namco Bandai Games: 1 patents #56 of 178Top 35%
NA Nabtesco: 1 patents #159 of 320Top 50%
SS Sap Se: 1 patents #2,890 of 6,322Top 50%
📍 Yokohama, CA: #132 of 287 inventorsTop 50%
Overall (All Time): #144,832 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
6458034 Game system and computer-usable information Shinichiro Aiki 2002-10-01
5935311 Water-resistant ink composition and writing instrument Kazuyuki Matsumura, Masanao Kamei, Fujio Yagihashi 1999-08-10