Inventor · disambiguated record
Yuuhiko Hamada
Also filed as: HAMADA YUUHIKO
1 granted patent·4 pending applications·3 citations·filing 2002–2006
26Inventor score
Technology areasH01S
Top patents by PatentIndex Score
5 records- 0154US6819688B2Semiconductor laser device and optical fiber amplifierMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 16, 2004·3 cites·24 claims
- 0247US2006268396A1Semiconductor laser device and optical fiber amplifierSAKAI KIYOHIDE·Filed 2006·Application pending·0 cites
- 0342US2005007657A1Semiconductor laser device and optical fiber amplifierMITSUBISHI ELECTRIC CORP·Filed 2004·Application pending·0 cites
- 0429US2003030889A1Optical isolator for transmitting light propagating forward and not transmitting light propagating backward, laser module using the optical isolator, optical amplifier using the optical isolator and polarizing filter used for a polarizer and an analyzer of the optical isolatorFiled 2002·Application pending·0 cites
- 0527US2003030888A1Optical isolator, laser module and optical amplifierFiled 2002·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →