Inventor · disambiguated record
Youji Tatsumi
Also filed as: HACHISU MASUO · TATSUMI YOUJI
3 granted patents·72 citations·filing 1975–1977
73Inventor score
Top patents by PatentIndex Score
3 records- 0184US4118900AMethod for controlling grinding processSEIKO SEIKI KK·Filed 1977·Granted Oct 10, 1978·32 cites·4 claims
- 0282US4053289AGrinding method and apparatus with metal removal rate controlSEIKO INSTR & ELECTRONICS·Filed 1975·Granted Oct 11, 1977·30 cites·6 claims
- 0345US4184263AApparatus for measuring the waviness of a workpiece surfaceSEIKO SEIKI KK·Filed 1977·Granted Jan 22, 1980·10 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →