Inventor · disambiguated record
Ryoichi Kakehi
Also filed as: KAKEHI RYOICHI
3 granted patents·2 citations·filing 2010–2021
49Inventor score
Technology areasH01J
Top patents by PatentIndex Score
3 records- 0157US8076649B2Charged particle beam writing apparatus and optical axis deviation correcting method for charged particle beamSAKAI MICHIHIRO·Filed 2010·Granted Dec 13, 2011·2 cites·10 claims
- 0250US11658002B2Charged particle beam adjustment method, charged particle beam drawing method, and charged particle beam irradiation apparatusNUFLARE TECHNOLOGY INC·Filed 2021·Granted May 23, 2023·0 cites·7 claims
- 0343US11037759B2Multi charged particle beam writing apparatus and multi charged particle beam writing methodNUFLARE TECHNOLOGY INC·Filed 2018·Granted Jun 15, 2021·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →