Inventor · disambiguated record
Yasuharu Hirai
Also filed as: HIRAI YASUHARU
4 granted patents·45 citations·filing 1980–2007
71Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0190US4379250AField emission cathode and method of fabricating the sameHITACHI LTD·Filed 1980·Granted Apr 5, 1983·39 cites·18 claims
- 0270US7346145B2X-ray imaging systemHITACHI LTD·Filed 2006·Granted Mar 18, 2008·3 cites·19 claims
- 0346US7499520B2X-ray imaging apparatus and method with an X-ray interferometerHITACHI LTD·Filed 2007·Granted Mar 3, 2009·0 cites·20 claims
- 0428US4704540APhotoelectric shock wave detection system for vacuum protectionHITACHI LTD·Filed 1986·Granted Nov 3, 1987·3 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →