YK

Yoshihiro Kuroki

SO Sony: 23 patents #1,718 of 25,231Top 7%
UN Unknown: 8 patents #1,262 of 83,584Top 2%
JY Jinichi Yamaguchi: 6 patents #1 of 5Top 20%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #138,600 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
D453199 Robot toy Kunihito Sawai, Tatsuzo Ishida, Yuichi Hattori, Naoto Mori 2002-01-29
4696513 Chucking device for machine tools Akira Nobukawa, Tatsue Sawaguchi 1987-09-29
4217674 Upright vacuum cleaner Seizo Hayashi, Shinya Tsutsumi 1980-08-19