Inventor · disambiguated record
Tadao Ishizawa
Also filed as: ISHIZAWA TADAO
5 granted patents·67 citations·filing 1977–1985
81Inventor score
Top patents by PatentIndex Score
5 records- 0169US4717315ASmall size axial-flow molecular pump using a magnetic bearingMIKI MASAHARU·Filed 1985·Granted Jan 5, 1988·29 cites·14 claims
- 0254US4145627ACrimped seal piezoelectric resonator packageSEIKO INSTR & ELECTRONICS·Filed 1977·Granted Mar 20, 1979·9 cites·9 claims
- 0344US4387936AMagnetic bearing for high-speed rotationSEIKO INSTR & ELECTRONICS·Filed 1981·Granted Jun 14, 1983·10 cites·6 claims
- 0441US4697994AMultistage discharge type rotary vacuum pumpSEIKO SEIKI KK·Filed 1984·Granted Oct 6, 1987·9 cites·5 claims
- 0538US4622823AGas refrigeratorSEIKO SEIKI KK·Filed 1984·Granted Nov 18, 1986·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →