Inventor · disambiguated record
Hidefumi Akiyama
Also filed as: AKIYAMA HIDEFUMI
3 granted patents·2 pending applications·3 citations·filing 2002–2020
53Inventor score
Top patents by PatentIndex Score
5 records- 0151US12341319B2Semiconductor laserAIST·Filed 2020·Granted Jun 24, 2025·0 cites·9 claims
- 0250US6921726B2Growing smooth semiconductor layersLUCENT TECHNOLOGIES INC·Filed 2002·Granted Jul 26, 2005·3 cites·14 claims
- 0348US2022360049A1Semiconductor laserAIST·Filed 2020·Application pending·0 cites
- 0433US2005221624A1Growing smooth semiconductor layersAKIYAMA HIDEFUMI·Filed 2005·Application pending·0 cites
- 0528US10094709B2Light emitting element, reference light source and method for observing luminous bodyAKIYAMA HIDEFUMI·Filed 2014·Granted Oct 9, 2018·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →