Inventor · disambiguated record
Yoshinori Karatsu
Also filed as: KARATSU YOSHINORI
4 granted patents·38 citations·filing 1980–1991
74Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0165US4794688AMethod of connecting superconducting wiresHITACHI LTD·Filed 1987·Granted Jan 3, 1989·22 cites·9 claims
- 0257US4327273AMethod of treating a workpiece with electron beams and apparatus thereforHITACHI LTD·Filed 1980·Granted Apr 27, 1982·9 cites·3 claims
- 0337US5329099AMethod of maintaining housing of reactor pressure vessel and heat treatment equipment thereforHITACHI LTD·Filed 1991·Granted Jul 12, 1994·4 cites·22 claims
- 0437US4317022AElectron beam welding machineHITACHI LTD·Filed 1980·Granted Feb 23, 1982·3 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →