Inventor · disambiguated record
Takashi Toyonaka
Also filed as: TOYONAKA TAKASHI
15 granted patents·4 pending applications·93 citations·filing 1992–2024
89Inventor score
Top patents by PatentIndex Score
19 records- 0189US10978605B2Semiconductor photodiode, optical receiver module, optical module, and optical transmission equipmentLUMENTUM JAPAN INC·Filed 2019·Granted Apr 13, 2021·3 cites·20 claims
- 0287US11194105B2Photoelectric conversion element, optical subassembly, and method for manufacturing photoelectric conversion elementLUMENTUM JAPAN INC·Filed 2020·Granted Dec 7, 2021·2 cites·20 claims
- 0385US11476382B2Semiconductor light-receiving elementLUMENTUM JAPAN INC·Filed 2021·Granted Oct 18, 2022·1 cites·9 claims
- 0479US8907266B2Light-receiving device array, optical receiver module, and optical transceiverTOYONAKA TAKASHI·Filed 2012·Granted Dec 9, 2014·3 cites·18 claims
- 0568US9312965B2Optical receiver moduleOCLARO JAPAN INC·Filed 2013·Granted Apr 12, 2016·2 cites·6 claims
- 0668US6800914B2Semiconductor photodetector device and manufacturing method thereofOPNEXT JAPAN INC·Filed 2002·Granted Oct 5, 2004·14 cites·20 claims
- 0768US5844931ASemiconductor laser devicesHITACHI LTD·Filed 1997·Granted Dec 1, 1998·36 cites·36 claims
- 0868US5283846AOptical isolator, optical circuit, and rare-earth-doped fiber optical amplifierHITACHI LTD·Filed 1992·Granted Feb 1, 1994·31 cites·9 claims
- 0967US12477839B2Semiconductor photodetectorLUMENTUM OPERATIONS LLC·Filed 2023·Granted Nov 18, 2025·0 cites·20 claims
- 1063US2025359359A1Avalanche photodiode with multi-stage mesa structureLUMENTUM OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 1161US9035407B2Receiver module and deviceOCLARO JAPAN INC·Filed 2012·Granted May 19, 2015·1 cites·10 claims
- 1259US11916161B2Semiconductor light-receiving elementLUMENTUM JAPAN INC·Filed 2022·Granted Feb 27, 2024·0 cites·20 claims
- 1352US7875905B2Semiconductor optical receiver device, optical receiver module, and method for manufacturing semiconductor optical receiver deviceOPNEXT JAPAN INC·Filed 2008·Granted Jan 25, 2011·0 cites·2 claims
- 1452US2023411542A1Semiconductor photodetectorLUMENTUM JAPAN INC·Filed 2022·Application pending·0 cites
- 1546US10204955B2Back illuminated photo detector and optical receiver module having a center portion of an exposed contact portion located on an optical axis of lightOCLARO JAPAN INC·Filed 2017·Granted Feb 12, 2019·0 cites·6 claims
- 1643US8575714B2Backside illuminated semiconductor light-receiving device, optical receiver module, and optical transceiverTOYONAKA TAKASHI·Filed 2011·Granted Nov 5, 2013·0 cites·8 claims
- 1741US2007249109A1Optical device and optical moduleKAMIYAMA HIROYUKI·Filed 2007·Application pending·0 cites
- 1838US10393972B2Optical subassembly and optical moduleOCLARO JAPAN INC·Filed 2017·Granted Aug 27, 2019·0 cites·7 claims
- 1936US2004000675A1Method for manufacturing avalanche photodiodes, avalanche photodiode, optical receiver module and optical receiving apparatusOPNEXT JAPAN INC·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →