Inventor · disambiguated record
Markku Orpana
Also filed as: ORPANA MARKKU
5 granted patents·708 citations·filing 1994–1996
86Inventor score
Top patents by PatentIndex Score
5 records- 0195US5646729ASingle-channel gas concentration measurement method and apparatus using a short-resonator Fabry-Perot interferometerVAISALA OY·Filed 1995·Granted Jul 8, 1997·209 cites·14 claims
- 0295US5561523AElectrically tunable fabry-perot interferometer produced by surface micromechanical techniques for use in optical material analysisVAISALA OY·Filed 1995·Granted Oct 1, 1996·229 cites·17 claims
- 0393US5644676AThermal radiant source with filament encapsulated in protective filmINSTRUMENTARIUM OY·Filed 1995·Granted Jul 1, 1997·203 cites·25 claims
- 0481US5500569AElectrically modulatable thermal radiant source and method for manufacturing the sameINSTRUMENTARIUM OY·Filed 1994·Granted Mar 19, 1996·63 cites·13 claims
- 0524US5934307AOverpressure protectorBEAMEX AB OY·Filed 1996·Granted Aug 10, 1999·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →