Inventor · disambiguated record

Shinpei Hirokawa

Also filed as: HIROKAWA SHINPEI

2 granted patents·16 citations·filing 2000–2001

57Inventor score

Technology areasH01J

Files withDENKI KAGAKU KOGYO KK2

Top patents by PatentIndex Score

2 records

0174US6903499B2Electron gun and a method for using the sameDENKI KAGAKU KOGYO KK·Filed 2001·Granted Jun 7, 2005·13 cites·8 claims
0254US6509570B1Gallium ion sourceDENKI KAGAKU KOGYO KK·Filed 2000·Granted Jan 21, 2003·3 cites·9 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →