Inventor · disambiguated record
Katsuhisa Hirayama
Also filed as: HIRAYAMA KATSUHISA
3 granted patents·1 pending application·35 citations·filing 1981–2005
68Inventor score
Top patents by PatentIndex Score
4 records- 0192US4398948AMethods for controlling blowing, controlling the slag formation and predicting slopping in the blowing of molten pig iron in LD converterKAWASAKI STEEL CO·Filed 1981·Granted Aug 16, 1983·28 cites·12 claims
- 0239US2009269609A1Degreasing method for aluminium hard foil, aluminium hard foil, aluminium hard foil electrode member, and lithium ion secondary battery using said memberSHOWA DENKO KK·Filed 2005·Application pending·0 cites
- 0330US4942773ADevice for sampling steel materialKAWASAKI STEEL CO·Filed 1989·Granted Jul 24, 1990·4 cites·2 claims
- 0429US4833930AMethod of sampling steel material and a device thereforKAWASAKI STEEL CO·Filed 1987·Granted May 30, 1989·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →