Inventor · disambiguated record
Shimpei Hirokawa
Also filed as: HIROKAWA SHIMPEI
4 granted patents·2 citations·filing 2012–2021
61Inventor score
Technology areasH01J
Top patents by PatentIndex Score
4 records- 0170US11152185B2Electron source and production method thereforDENKA COMPANY LTD·Filed 2021·Granted Oct 19, 2021·0 cites·11 claims
- 0266US9496673B2Enclosure and method for handling electron gun or ion gunMORISHITA TOSHIYUKI·Filed 2012·Granted Nov 15, 2016·2 cites·12 claims
- 0364US10957511B2Electron source and production method thereforDENKA COMPANY LTD·Filed 2019·Granted Mar 23, 2021·0 cites·12 claims
- 0457US10553390B2Electron source and production method thereforDENKA COMPANY LTD·Filed 2017·Granted Feb 4, 2020·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →