Inventor · disambiguated record
Shigenori Hayakawa
Also filed as: HAYAKAWA SHIGENORI
12 granted patents·2 pending applications·44 citations·filing 1991–2022
86Inventor score
Files withLUMENTUM JAPAN INC5SEMICONDUCTOR ENERGY LAB3OPNEXT JAPAN INC2MITSUBISHI CHEM IND1OCLARO JAPAN INC1
Top patents by PatentIndex Score
14 records- 0197US11329450B2Electro-absorption optical modulator and manufacturing method thereofLUMENTUM JAPAN INC·Filed 2020·Granted May 10, 2022·5 cites·20 claims
- 0275US11133646B2Semiconductor optical device and optical transceiver moduleLUMENTUM JAPAN INC·Filed 2019·Granted Sep 28, 2021·1 cites·20 claims
- 0375US6833313B2Method of manufacturing semiconductor device by implanting rare gas ionsSEMICONDUCTOR ENERGY LAB·Filed 2002·Granted Dec 21, 2004·17 cites·24 claims
- 0472US12136797B2Semiconductor optical device and optical transceiver moduleLUMENTUM JAPAN INC·Filed 2021·Granted Nov 5, 2024·0 cites·20 claims
- 0571US5200288AElectrostatic developing toner with hydroxyaromatic carboxylic acid additiveMITSUBISHI CHEM IND·Filed 1991·Granted Apr 6, 1993·19 cites·13 claims
- 0664US7687295B2Method for manufacturing optical semiconductor deviceOPNEXT JAPAN INC·Filed 2008·Granted Mar 30, 2010·2 cites·2 claims
- 0759US2023006425A1Semiconductor optical deviceLUMENTUM JAPAN INC·Filed 2022·Application pending·0 cites
- 0858US11462886B2Buried-type semiconductor optical deviceLUMENTUM JAPAN INC·Filed 2020·Granted Oct 4, 2022·0 cites·12 claims
- 0946US10230008B2Semiconductor light receiving device, optical receiver module and manufacturing method thereofOCLARO JAPAN INC·Filed 2016·Granted Mar 12, 2019·0 cites·17 claims
- 1046US7998766B2Semiconductor element and manufacturing method thereofOPNEXT JAPAN INC·Filed 2008·Granted Aug 16, 2011·0 cites·2 claims
- 1142US8488918B2Semiconductor optical device, optical transmitter module, optical transceiver module, and optical transmission equipmentSUMI SEIJI·Filed 2011·Granted Jul 16, 2013·0 cites·19 claims
- 1242US7772052B2Method of manufacturing semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2004·Granted Aug 10, 2010·0 cites·20 claims
- 1341US2008036044A1Semiconductor optical device and manufacturing method thereforSAKUMA YASUSHI·Filed 2007·Application pending·0 cites
- 1433US7615473B2Method of introducing ion and method of manufacturing semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2003·Granted Nov 10, 2009·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →