Inventor · disambiguated record
Chuhei Oshima
Also filed as: OSHIMA CHUHEI
3 granted patents·8 citations·filing 1984–2018
59Inventor score
Technology areasH01J
Top patents by PatentIndex Score
3 records- 0152US10529531B2Ion source and electron source having single-atom termination structure, tip having single-atom termination structure, gas field ion source, focused ion beam apparatus, electron source, electron microscope, mask repair apparatus, and method of manufacturing tip having single-atom termination structureHITACHI HIGH TECH SCIENCE CORP·Filed 2018·Granted Jan 7, 2020·0 cites·10 claims
- 0243US4596942AField emission type electron gunNAT INST RES·Filed 1984·Granted Jun 24, 1986·5 cites·6 claims
- 0334US4910442AField emission type electron gunNAT INST RES·Filed 1988·Granted Mar 20, 1990·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →