YY

Yuko Yamashita

IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #3,965,012 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4792244 Ceramic bearing construction Yuji Masumoto, Takao Kimura, Katsutoshi Nishida, Koichi Inoue, Kazuo Rokkaku +1 more 1988-12-20