Inventor · disambiguated record
Etsuji Katayama
Also filed as: KATAYAMA ETSUJI
17 granted patents·2 pending applications·83 citations·filing 2001–2021
91Inventor score
Top patents by PatentIndex Score
19 records- 0188US6720582B2Semiconductor laser diode moduleFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Apr 13, 2004·40 cites·39 claims
- 0286US9746627B2Semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted Aug 29, 2017·5 cites·21 claims
- 0379US8030224B2Manufacturing method of semiconductor device, semiconductor device, communication apparatus, and semiconductor laserFURUKAWA ELECTRIC CO LTD·Filed 2010·Granted Oct 4, 2011·5 cites·14 claims
- 0474US10777965B2Laser apparatus and light source apparatusFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Sep 15, 2020·1 cites·14 claims
- 0570US10061092B2Semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Aug 28, 2018·1 cites·5 claims
- 0669US6529535B2Laser diode moduleFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Mar 4, 2003·12 cites·10 claims
- 0768US7030422B2Semiconductor laser diode moduleFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Apr 18, 2006·9 cites·60 claims
- 0863US6734517B2Semiconductor laser diode moduleFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted May 11, 2004·7 cites·57 claims
- 0958US11962120B2Semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Apr 16, 2024·0 cites·12 claims
- 1053US10234645B2Semiconductor laser module and three-dimensional laminating and shaping apparatusTECH RES ASSOCIATION FUTURE ADDITIVE MANUFACTURING·Filed 2016·Granted Mar 19, 2019·0 cites·13 claims
- 1152US6532107B2Optical amplifier, light source module and optical systemFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Mar 11, 2003·3 cites·18 claims
- 1249US11658458B2Optical deviceFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted May 23, 2023·0 cites·16 claims
- 1349US11011885B2Laser device and light-source deviceFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted May 18, 2021·0 cites·9 claims
- 1449US10985526B2Laser device and light-source deviceFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Apr 20, 2021·0 cites·10 claims
- 1545US10361532B2Semiconductor laser module and semiconductor laser module manufacturing methodFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Jul 23, 2019·0 cites·9 claims
- 1641US2019020178A1Laser apparatusFURUKAWA ELECTRIC CO LTD·Filed 2018·Application pending·0 cites
- 1740US10869395B2Flexible substrate, flexible substrate-attached component, and manufacturing method of flexible substrate-attached componentFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Dec 15, 2020·0 cites·13 claims
- 1838US10466426B2Optical fiber drawer structure and optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Nov 5, 2019·0 cites·12 claims
- 1937US2017336584A1Flexible substrate and optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Etsuji Katayama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →