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Tomofumi Yamashita

Nsk: 1 patents #47 of 163Top 30%
Ricoh Company: 1 patents #815 of 1,810Top 50%
Overall (2017): #97,096 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9737926 Ball screw and manufacturing method of nut for ball screw Toru Harada, Koji Hashimoto, Tsuyoshi Ito, Naoya Aoki 2017-08-22
9685873 Power supply device, image forming device, and electronic appliance 2017-06-20