Inventor · disambiguated record
Fumiko Yoyasu
Also filed as: YOYASU FUMIKO
7 granted patents·4 pending applications·95 citations·filing 2009–2024
84Inventor score
Top patents by PatentIndex Score
11 records- 0194US8491816B2Semiconductor light emitting device, backlight, color image display device and phosphor to be used for themHONG BYUNGCHUL·Filed 2009·Granted Jul 23, 2013·77 cites·11 claims
- 0293US9541238B2Semiconductor light emitting device, backlight, color image display device and phosphor to be used for themMITSUBISHI CHEM CORP·Filed 2013·Granted Jan 10, 2017·12 cites·23 claims
- 0389US10011769B2Semiconductor light emitting device, backlight, color image display device and phosphor to be used for themMITSUBISHI CHEM CORP·Filed 2016·Granted Jul 3, 2018·4 cites·13 claims
- 0488US2024376380A1Light emitting deviceCITIZEN ELECTRONICS·Filed 2024·Application pending·0 cites
- 0586US12084609B2Light emitting deviceCITIZEN ELECTRONICS·Filed 2023·Granted Sep 10, 2024·0 cites·10 claims
- 0684US10858582B2Semiconductor light emitting device, backlight, color image display device and phosphor to be used for themCITIZEN ELECTRONICS·Filed 2018·Granted Dec 8, 2020·2 cites·12 claims
- 0783US11873435B2Light emitting deviceCITIZEN ELECTRONICS·Filed 2023·Granted Jan 16, 2024·0 cites·25 claims
- 0874US11613698B2Illumination deviceCITIZEN ELECTRONICS·Filed 2020·Granted Mar 28, 2023·0 cites·18 claims
- 0941US2013141013A1Light emission apparatus, illumination system and illumination methodMITSUBISHI CHEM CORP·Filed 2013·Application pending·0 cites
- 1039US2013075773A1Light emitting deviceKIJIMA NAOTO·Filed 2012·Application pending·0 cites
- 1135US2013092965A1Light emitting deviceKIJIMA NAOTO·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Fumiko Yoyasu 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 →