Inventor · disambiguated record
Ryoei Kobayashi
Also filed as: KOBAYASHI RYOEI
5 granted patents·7 citations·filing 2013–2022
67Inventor score
Technology areasH01J
Files withNUFLARE TECHNOLOGY INC5
Top patents by PatentIndex Score
5 records- 0174US9299525B2Thermionic cathode with even electric field distribution on electron emitting surfaceNUFLARE TECHNOLOGY INC·Filed 2013·Granted Mar 29, 2016·4 cites·3 claims
- 0271US9251990B2Method for producing a thermoelectron emission source and method for producing a cathodeNUFLARE TECHNOLOGY INC·Filed 2014·Granted Feb 2, 2016·3 cites·12 claims
- 0357US11430628B1Cathode mechanism of electron gun, electron gun, and electron beam writing apparatusNUFLARE TECHNOLOGY INC·Filed 2022·Granted Aug 30, 2022·0 cites·10 claims
- 0452US12106928B2Cathode mechanism of electron emission source, and method for manufacturing cathode mechanism of electron emission sourceNUFLARE TECHNOLOGY INC·Filed 2022·Granted Oct 1, 2024·0 cites·8 claims
- 0539US9412551B2Cathode obtaining method and electron beam writing apparatusNUFLARE TECHNOLOGY INC·Filed 2015·Granted Aug 9, 2016·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Ryoei Kobayashi 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 →