Inventor · disambiguated record
Nobumasa Okada
Also filed as: OKADA NOBUMASA
5 granted patents·54 citations·filing 1994–2015
76Inventor score
Top patents by PatentIndex Score
5 records- 0175US5777792AOptical film, an antireflection film, a reflection film, a method for forming the optical film, the antireflection film or the reflection film and an optical deviceFUJITSU LTD·Filed 1994·Granted Jul 7, 1998·43 cites·24 claims
- 0262US9397473B2Laser diode and transmitter moduleSEDI INC·Filed 2014·Granted Jul 19, 2016·1 cites·10 claims
- 0345US9466947B2Semiconductor laser diode with shortened cavity lengthSEDI INC·Filed 2015·Granted Oct 11, 2016·0 cites·10 claims
- 0438US7267893B2Optical multilayer film and optical semiconductor device including the sameFUJITSU QUANTUM DEVICES LTD·Filed 2003·Granted Sep 11, 2007·2 cites·9 claims
- 0530US6778572B1Electrode structure, process for fabricating electrode structure and semiconductor light-emitting deviceFUJITSU QUANTUM DEVICES LTD·Filed 1999·Granted Aug 17, 2004·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →