Inventor · disambiguated record
Tetsuzo Matsunaga
Also filed as: MATSUNAGA TETSUZO
4 granted patents·52 citations·filing 1980–1982
77Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0157US4401420AMale and female screw rotor assembly with specific tooth flanksHITACHI LTD·Filed 1980·Granted Aug 30, 1983·15 cites·11 claims
- 0254US4492546ARotor tooth form for a screw rotor machineHITACHI LTD·Filed 1982·Granted Jan 8, 1985·14 cites·7 claims
- 0354US4475878AScrew rotor with tooth form produced by thermal deformation and gear backlashHITACHI LTD·Filed 1982·Granted Oct 9, 1984·14 cites·12 claims
- 0444US4406602AScrew rotor with specific tooth profileHITACHI LTD·Filed 1981·Granted Sep 27, 1983·9 cites·7 claims
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