Inventor · disambiguated record
Masaie Tohkai
Also filed as: TOHKAI MASAIE
3 granted patents·53 citations·filing 1984–1990
72Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0166US4551310AContinuous vacuum treating apparatusHITACHI LTD·Filed 1984·Granted Nov 5, 1985·22 cites·14 claims
- 0261US4501428ARoll seal boxes for continuous vacuum treating apparatusHITACHI LTD·Filed 1984·Granted Feb 26, 1985·20 cites·5 claims
- 0342US5088908AContinuous vacuum processing apparatusHITACHI LTD·Filed 1990·Granted Feb 18, 1992·11 cites·5 claims
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