Inventor · disambiguated record
Takao Sumiyoshi
Also filed as: SUMIYOSHI TAKAO
3 granted patents·19 citations·filing 1985–2000
67Inventor score
Files withSUGA TEST INSTRUMENTS3
Top patents by PatentIndex Score
3 records- 0158US6661915B1Illumination variable colorimetric method and colorimeterSUGA TEST INSTRUMENTS·Filed 2000·Granted Dec 9, 2003·6 cites·9 claims
- 0238US4770534AColor indication comparison methodSUGA TEST INSTRUMENTS·Filed 1986·Granted Sep 13, 1988·8 cites·1 claims
- 0332US4607790ACycle sequence time/temperature controllerSUGA TEST INSTRUMENTS·Filed 1985·Granted Aug 26, 1986·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →