YM

Yuji Masumoto

IJ Ishikawajima-Harima Jukogyo: 2 patents #81 of 494Top 20%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
📍 Kokubunji, JP: #421 of 714 inventorsTop 60%
Overall (All Time): #2,339,928 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4792244 Ceramic bearing construction Yuko Yamashita, Takao Kimura, Katsutoshi Nishida, Koichi Inoue, Kazuo Rokkaku +1 more 1988-12-20
4668105 Bearings for rotary machines Hiromu Furukawa, Shinobu Saito 1987-05-26