Inventor · disambiguated record
Sadakazu Matsubara
Also filed as: MATSUBARA SADAKAZU
4 granted patents·78 citations·filing 1975–2004
77Inventor score
Top patents by PatentIndex Score
4 records- 0186US7682428B2Oxygen concentration apparatusTEIJIN PHARMA LTD·Filed 2004·Granted Mar 23, 2010·36 cites·17 claims
- 0276US4132726AProcess for the preparation of 4-hydroxycyclopent-2-en-1-one derivativesTEIJIN LTD·Filed 1975·Granted Jan 2, 1979·11 cites·13 claims
- 0374US4008125ANew cyclopentene-diols and new acyl esters thereof and process for their preparationTEIJIN LTD·Filed 1975·Granted Feb 15, 1977·29 cites·10 claims
- 0447US6695956B2Oxygen concentrating apparatusTEIJIN LTD·Filed 2001·Granted Feb 24, 2004·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →