Inventor · disambiguated record
Katsumi Kuroguchi
Also filed as: KUROGUCHI KATSUMI
9 granted patents·113 citations·filing 1999–2009
87Inventor score
Top patents by PatentIndex Score
9 records- 0183US6597712B2Laser diode moduleHITACHI LTD·Filed 2001·Granted Jul 22, 2003·20 cites·10 claims
- 0276US6826211B2Diode laser controling module and applied equipment thereofHITACHI LTD·Filed 2001·Granted Nov 30, 2004·14 cites·21 claims
- 0372US7215886B2Optical communication moduleHITACHI LTD·Filed 2002·Granted May 8, 2007·23 cites·12 claims
- 0471US6332720B1Semiconductor laser coupling device and method for assembling the same on circuit boardHITACHI LTD·Filed 1999·Granted Dec 25, 2001·36 cites·12 claims
- 0570US6937628B2Optical transmitter modulesOPNEXT JAPAN INC·Filed 2002·Granted Aug 30, 2005·11 cites·20 claims
- 0654US6912363B2Optical module which permits stable laser outputOPNEXT JAPAN INC·Filed 2001·Granted Jun 28, 2005·4 cites·20 claims
- 0753US6805496B2Optical communication module, manufacturing method thereof and wavelength selective filterOPNEXT JAPAN INC·Filed 2002·Granted Oct 19, 2004·5 cites·15 claims
- 0849US8307381B2Optical pickup device and optical disk drive apparatusOOZEKI YOSHIO·Filed 2009·Granted Nov 6, 2012·0 cites·3 claims
- 0940US6983000B2Laser diode moduleHITACHI LTD·Filed 2003·Granted Jan 3, 2006·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →