Inventor · disambiguated record
Koichi Hanawa
Also filed as: HANAWA KOICHI
6 granted patents·33 citations·filing 1989–2023
78Inventor score
Files withTOSOH CORP6
Top patents by PatentIndex Score
6 records- 0170US12392025B2Method for producing chromium sintered body, method for producing sputtering target, and method for producing substrate with chromium filmTOSOH CORP·Filed 2023·Granted Aug 19, 2025·0 cites·19 claims
- 0267US12385126B2Sputtering target, method for producing same, and method for producing sputtering film using sputtering targetTOSOH CORP·Filed 2022·Granted Aug 12, 2025·0 cites·16 claims
- 0358US4917722ASingle crystals of chromium and method for producing the sameTOSOH CORP·Filed 1989·Granted Apr 17, 1990·13 cites·17 claims
- 0441US5236661AChromium-based weld materialTOSOH CORP·Filed 1992·Granted Aug 17, 1993·9 cites·5 claims
- 0541US5126106AChromium-based weld material and rolled article and process for producing the rolled articleTOSOH CORP·Filed 1990·Granted Jun 30, 1992·9 cites·2 claims
- 0625US5154796AGiant grains or single crystals of chromium and process for producing the sameTOSOH CORP·Filed 1990·Granted Oct 13, 1992·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →