Inventor · disambiguated record
Katsuhiko Kojo
Also filed as: KOJO KATSUHIKO
8 granted patents·217 citations·filing 1991–1997
89Inventor score
Files withHITACHI METALS LTD8
Top patents by PatentIndex Score
8 records- 0194US5348806ACermet alloy and process for its productionHITACHI METALS LTD·Filed 1992·Granted Sep 20, 1994·99 cites·18 claims
- 0284US5457075ASintered ceramic composite and molten metal contact member produced therefromHITACHI METALS LTD·Filed 1994·Granted Oct 10, 1995·41 cites·11 claims
- 0372US6126713AAdditive for use in producing spheroidal graphite cast ironHITACHI METALS LTD·Filed 1997·Granted Oct 3, 2000·24 cites·8 claims
- 0458US5468278ACermet alloyHITACHI METALS LTD·Filed 1993·Granted Nov 21, 1995·15 cites·3 claims
- 0553US5149595ACermet alloy and process for its productionHITACHI METALS LTD·Filed 1991·Granted Sep 22, 1992·12 cites·26 claims
- 0649US5248352ATic-base cermet alloyHITACHI METALS LTD·Filed 1992·Granted Sep 28, 1993·11 cites·2 claims
- 0743US5569334AStainless steel member for semiconductor fabrication equipment and surface treatment method thereforHITACHI METALS LTD·Filed 1993·Granted Oct 29, 1996·13 cites·11 claims
- 0832US5360674APermanent magnet coated with Ni or Ni alloy having a specific cell structure and growth patternHITACHI METALS LTD·Filed 1992·Granted Nov 1, 1994·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →